India Tripura Legislative Assembly 1983

India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast, it shares land borders with Pakistan to the west; China, Nepal, and Bhutan to the north; and Bangladesh and Myanmar to the east. In the Indian Ocean, India is in the vicinity of Sri Lanka and the Maldives; its Andaman and Nicobar Islands share a maritime border with Thailand, Myanmar, and Indonesia.

Modern humans arrived on the Indian subcontinent from Africa no later than 55,000 years ago., "Y-Chromosome and Mt-DNA data support the colonization of South Asia by modern humans originating in Africa. ... Coalescence dates for most non-European populations average to between 73–55 ka.", "Modern human beings—''Homo sapiens''—originated in Africa. Then, intermittently, sometime between 60,000 and 80,000 years ago, tiny groups of them began to enter the north-west of the Indian subcontinent. It seems likely that initially they came by way of the coast. ... it is virtually certain that there were ''Homo sapiens'' in the subcontinent 55,000 years ago, even though the earliest fossils that have been found of them date to only about 30,000 years before the present.", "Scholars estimate that the first successful expansion of the ''Homo sapiens'' range beyond Africa and across the Arabian Peninsula occurred from as early as 80,000 years ago to as late as 40,000 years ago, although there may have been prior unsuccessful emigrations. Some of their descendants extended the human range ever further in each generation, spreading into each habitable land they encountered. One human channel was along the warm and productive coastal lands of the Persian Gulf and northern Indian Ocean. Eventually, various bands entered India between 75,000 years ago and 35,000 years ago."
Their long occupation, initially in varying forms of isolation as hunter-gatherers, has made the region highly diverse, second only to Africa in human genetic diversity. Settled life emerged on the subcontinent in the western margins of the Indus river basin 9,000 years ago, evolving gradually into the Indus Valley Civilisation of the third millennium BCE.(a) ;
(b)
By , an archaic form of Sanskrit, an Indo-European language, had diffused into India from the northwest.(a)
(b)
(c) , "In Punjab, a dry region with grasslands watered by five rivers (hence ‘panch’ and ‘ab’) draining the western Himalayas, one prehistoric culture left no material remains, but some of its ritual texts were preserved orally over the millennia. The culture is called Aryan, and evidence in its texts indicates that it spread slowly south-east, following the course of the Yamuna and Ganga Rivers. Its elite called itself Arya (pure) and distinguished themselves sharply from others. Aryans led kin groups organized as nomadic horse-herding tribes. Their ritual texts are called Vedas, composed in Sanskrit. Vedic Sanskrit is recorded only in hymns that were part of Vedic rituals to Aryan gods. To be Aryan apparently meant to belong to the elite among pastoral tribes. Texts that record Aryan culture are not precisely datable, but they seem to begin around 1200 BCE with four collections of Vedic hymns (Rg, Sama, Yajur, and Artharva)."

(d) , "Although the collapse of the Indus valley civilization is no longer believed to have been due to an ‘Aryan invasion’ it is widely thought that, at roughly the same time, or perhaps a few centuries later, new Indo-Aryan-speaking people and influences began to enter the subcontinent from the north-west. Detailed evidence is lacking. Nevertheless, a predecessor of the language that would eventually be called Sanskrit was probably introduced into the north-west sometime between 3,900 and 3,000 years ago. This language was related to one then spoken in eastern Iran; and both of these languages belonged to the Indo-European language family. ... It seems likely that various small-scale migrations were involved in the gradual introduction of the predecessor language and associated cultural characteristics. However, there may not have been a tight relationship between movements of people on the one hand, and changes in language and culture on the other. Moreover, the process whereby a dynamic new force gradually arose—a people with a distinct ideology who eventually seem to have referred to themselves as ‘Arya’—was certainly two-way. That is, it involved a blending of new features which came from outside with other features—probably including some surviving Harappan influences—that were already present. Anyhow, it would be quite a few centuries before Sanskrit was written down. And the hymns and stories of the Arya people—especially the Vedas and the later Mahabharata and Ramayana epics—are poor guides as to historical events. Of course, the emerging Arya were to have a huge impact on the history of the subcontinent. Nevertheless, little is known about their early presence.";
(e) , "The expansion of Aryan culture is supposed to have begun around 1500 BCE. It should not be thought that this Aryan emergence (though it implies some migration) necessarily meant either a sudden invasion of new peoples, or a complete break with earlier traditions. It comprises a set of cultural ideas and practices, upheld by a Sanskrit-speaking elite, or Aryans. The features of this society are recorded in the Vedas." Its evidence today is found in the hymns of the ''Rigveda''. Preserved by a resolutely vigilant oral tradition, the ''Rigveda'' records the dawning of Hinduism in India.(a) ;
(b) ;
(c)
(d) The Dravidian languages of India were supplanted in the northern and western regions.
By , stratification and exclusion by caste had emerged within Hinduism,
and Buddhism and Jainism had arisen, proclaiming social orders unlinked to heredity.
Early political consolidations gave rise to the loose-knit Maurya and Gupta Empires based in the Ganges Basin.(a) ;
(b) ;
(c) ;
(d) .
Their collective era was suffused with wide-ranging creativity,(a) ;

(b) but also marked by the declining status of women,(a) ;
(b) ;
(c) and the incorporation of untouchability into an organised system of belief. In South India, the Middle kingdoms exported Dravidian-languages scripts and religious cultures to the kingdoms of Southeast Asia.

In the early medieval era, Christianity, Islam, Judaism, and Zoroastrianism became established on India's southern and western coasts.(a) ;

(b) ;

(c)
Muslim armies from Central Asia intermittently overran India's northern plains,(a) ;
(b)
eventually founding the Delhi Sultanate, and drawing northern India into the cosmopolitan networks of medieval Islam.(a) ;

(b)
In the 15th century, the Vijayanagara Empire created a long-lasting composite Hindu culture in south India.
In the Punjab, Sikhism emerged, rejecting institutionalised religion.
The Mughal Empire, in 1526, ushered in two centuries of relative peace,
leaving a legacy of luminous architecture.
Gradually expanding rule of the British East India Company followed, turning India into a colonial economy, but also consolidating its sovereignty.(a)

(b) British Crown rule began in 1858. The rights promised to Indians were granted slowly, but technological changes were introduced, and modern ideas of education and the public life took root. A pioneering and influential nationalist movement emerged, which was noted for nonviolent resistance and became the major factor in ending British rule. In 1947 the British Indian Empire was partitioned into two independent dominions,: "The partition of South Asia that produced India and West and East Pakistan resulted from years of bitter negotiations and recriminations ... The departing British also decreed that the hundreds of princes, who ruled one-third of the subcontinent and a quarter of its population, became legally independent, their status to be settled later. Geographical location, personal and popular sentiment, and substantial pressure and incentives from the new governments led almost all princes eventually to merge their domains into either Pakistan or India. ... Each new government asserted its exclusive sovereignty within its borders, realigning all territories, animals, plants, minerals, and all other natural and human-made resources as either Pakistani or Indian property, to be used for its national development... Simultaneously, the central civil and military services and judiciary split roughly along religious 'communal' lines, even as they divided movable government assets according to a negotiated formula: 22.7 percent for Pakistan and 77.3 percent for India." a Hindu-majority Dominion of India and a Muslim-majority Dominion of Pakistan, amid large-scale loss of life and an unprecedented migration.

India has been a federal republic since 1950, governed through a democratic parliamentary system. It is a pluralistic, multilingual and multi-ethnic society. India's population grew from 361 million in 1951 to 1.4  billion in 2022.
During the same time, its nominal per capita income increased from US$64 annually to US$1,498, and its literacy rate from 16.6% to 74%. From being a comparatively destitute country in 1951,
India has become a fast-growing major economy and a hub for information technology services, with an expanding middle class. It has a space programme which includes several planned or completed extraterrestrial missions. Indian movies, music, and spiritual teachings play an increasing role in global culture.
India has substantially reduced its rate of poverty, though at the cost of increasing economic inequality.
India is a nuclear-weapon state, which ranks high in military expenditure. It has disputes over Kashmir with its neighbours, Pakistan and China, unresolved since the mid-20th century.(a) ;
(b) ;
(c)
Among the socio-economic challenges India faces are gender inequality, child malnutrition,
and rising levels of air pollution.
India's land is megadiverse, with four biodiversity hotspots. Its forest cover comprises 21.7% of its area. India's wildlife, which has traditionally been viewed with tolerance in India's culture, is supported among these forests, and elsewhere, in protected habitats.

Etymology

According to the ''Oxford English Dictionary'' (third edition 2009), the name "India" is derived from the Classical Latin ''India'', a reference to South Asia and an uncertain region to its east; and in turn derived successively from: Hellenistic Greek ''India'' ('' Ἰνδία''); ancient Greek ''Indos'' ('' Ἰνδός''); Old Persian ''Hindush'', an eastern province of the Achaemenid Empire; and ultimately its cognate, the Sanskrit ''Sindhu'', or "river," specifically the Indus River and, by implication, its well-settled southern basin. The ancient Greeks referred to the Indians as ''Indoi'' ('), which translates as "The people of the Indus".

The term ''Bharat'' (; ), mentioned in both Indian epic poetry and the Constitution of India, is used in its variations by many Indian languages. A modern rendering of the historical name ''Bharatavarsha'', which applied originally to North India, ''Bharat'' gained increased currency from the mid-19th century as a native name for India.

''Hindustan'' () is a Middle Persian name for India, introduced during the Mughal Empire and used widely since. Its meaning has varied, referring to a region encompassing present-day northern India and Pakistan or to India in its near entirety.

History

Ancient India

By 55,000 years ago, the first modern humans, or ''Homo sapiens'', had arrived on the Indian subcontinent from Africa, where they had earlier evolved. The earliest known modern human remains in South Asia date to about 30,000 years ago. After , evidence for domestication of food crops and animals, construction of permanent structures, and storage of agricultural surplus appeared in Mehrgarh and other sites in what is now Balochistan, Pakistan. These gradually developed into the Indus Valley Civilisation, the first urban culture in South Asia, which flourished during in what is now Pakistan and western India. Centred around cities such as Mohenjo-daro, Dholavira, and Kalibangan, and relying on varied forms of subsistence, the civilisation engaged robustly in crafts production and wide-ranging trade.

During the period , many regions of the subcontinent transitioned from the Chalcolithic cultures to the Iron Age ones. The Vedas, the oldest scriptures associated with Hinduism, were composed during this period, and historians have analysed these to posit a Vedic culture in the Punjab region and the upper Gangetic Plain. Most historians also consider this period to have encompassed several waves of Indo-Aryan migration into the subcontinent from the north-west. The caste system, which created a hierarchy of priests, warriors, and free peasants, but which excluded indigenous peoples by labelling their occupations impure, arose during this period. On the Deccan Plateau, archaeological evidence from this period suggests the existence of a chiefdom stage of political organisation. In South India, a progression to sedentary life is indicated by the large number of megalithic monuments dating from this period, as well as by nearby traces of agriculture, irrigation tanks, and craft traditions.

In the late Vedic period, around the 6th century BCE, the small states and chiefdoms of the Ganges Plain and the north-western regions had consolidated into 16 major oligarchies and monarchies that were known as the ''mahajanapadas''. The emerging urbanisation gave rise to non-Vedic religious movements, two of which became independent religions. Jainism came into prominence during the life of its exemplar, Mahavira. Buddhism, based on the teachings of Gautama Buddha, attracted followers from all social classes excepting the middle class; chronicling the life of the Buddha was central to the beginnings of recorded history in India. In an age of increasing urban wealth, both religions held up renunciation as an ideal, and both established long-lasting monastic traditions. Politically, by the 3rd century BCE, the kingdom of Magadha had annexed or reduced other states to emerge as the Mauryan Empire. The empire was once thought to have controlled most of the subcontinent except the far south, but its core regions are now thought to have been separated by large autonomous areas. The Mauryan kings are known as much for their empire-building and determined management of public life as for Ashoka's renunciation of militarism and far-flung advocacy of the Buddhist ''dhamma''.

The Sangam literature of the Tamil language reveals that, between and , the southern peninsula was ruled by the Cheras, the Cholas, and the Pandyas, dynasties that traded extensively with the Roman Empire and with West and Southeast Asia. In North India, Hinduism asserted patriarchal control within the family, leading to increased subordination of women. By the 4th and 5th centuries, the Gupta Empire had created a complex system of administration and taxation in the greater Ganges Plain; this system became a model for later Indian kingdoms. Under the Guptas, a renewed Hinduism based on devotion, rather than the management of ritual, began to assert itself. This renewal was reflected in a flowering of sculpture and architecture, which found patrons among an urban elite. Classical Sanskrit literature flowered as well, and Indian science, astronomy, medicine, and mathematics made significant advances.

Medieval India

The Indian early medieval age, from , is defined by regional kingdoms and cultural diversity. When Harsha of Kannauj, who ruled much of the Indo-Gangetic Plain from , attempted to expand southwards, he was defeated by the Chalukya ruler of the Deccan. When his successor attempted to expand eastwards, he was defeated by the Pala king of Bengal. When the Chalukyas attempted to expand southwards, they were defeated by the Pallavas from farther south, who in turn were opposed by the Pandyas and the Cholas from still farther south. No ruler of this period was able to create an empire and consistently control lands much beyond their core region. During this time, pastoral peoples, whose land had been cleared to make way for the growing agricultural economy, were accommodated within caste society, as were new non-traditional ruling classes. The caste system consequently began to show regional differences.

In the 6th and 7th centuries, the first devotional hymns were created in the Tamil language. They were imitated all over India and led to both the resurgence of Hinduism and the development of all modern languages of the subcontinent. Indian royalty, big and small, and the temples they patronised drew citizens in great numbers to the capital cities, which became economic hubs as well. Temple towns of various sizes began to appear everywhere as India underwent another urbanisation. By the 8th and 9th centuries, the effects were felt in South-East Asia, as South Indian culture and political systems were exported to lands that became part of modern-day Myanmar, Thailand, Laos, Brunei, Cambodia, Vietnam, Philippines, Malaysia, and Indonesia. Indian merchants, scholars, and sometimes armies were involved in this transmission; South-East Asians took the initiative as well, with many sojourning in Indian seminaries and translating Buddhist and Hindu texts into their languages.

After the 10th century, Muslim Central Asian nomadic clans, using swift-horse cavalry and raising vast armies united by ethnicity and religion, repeatedly overran South Asia's north-western plains, leading eventually to the establishment of the Islamic Delhi Sultanate in 1206. The sultanate was to control much of North India and to make many forays into South India. Although at first disruptive for the Indian elites, the sultanate largely left its vast non-Muslim subject population to its own laws and customs. By repeatedly repulsing Mongol raiders in the 13th century, the sultanate saved India from the devastation visited on West and Central Asia, setting the scene for centuries of migration of fleeing soldiers, learned men, mystics, traders, artists, and artisans from that region into the subcontinent, thereby creating a syncretic Indo-Islamic culture in the north. The sultanate's raiding and weakening of the regional kingdoms of South India paved the way for the indigenous Vijayanagara Empire. Embracing a strong Shaivite tradition and building upon the military technology of the sultanate, the empire came to control much of peninsular India, and was to influence South Indian society for long afterwards.

Early modern India

In the early 16th century, northern India, then under mainly Muslim rulers, fell again to the superior mobility and firepower of a new generation of Central Asian warriors. The resulting Mughal Empire did not stamp out the local societies it came to rule. Instead, it balanced and pacified them through new administrative practices and diverse and inclusive ruling elites, leading to more systematic, centralised, and uniform rule. Eschewing tribal bonds and Islamic identity, especially under Akbar, the Mughals united their far-flung realms through loyalty, expressed through a Persianised culture, to an emperor who had near-divine status. The Mughal state's economic policies, deriving most revenues from agriculture and mandating that taxes be paid in the well-regulated silver currency, caused peasants and artisans to enter larger markets. The relative peace maintained by the empire during much of the 17th century was a factor in India's economic expansion, resulting in greater patronage of painting, literary forms, textiles, and architecture. Newly coherent social groups in northern and western India, such as the Marathas, the Rajputs, and the Sikhs, gained military and governing ambitions during Mughal rule, which, through collaboration or adversity, gave them both recognition and military experience. Expanding commerce during Mughal rule gave rise to new Indian commercial and political elites along the coasts of southern and eastern India. As the empire disintegrated, many among these elites were able to seek and control their own affairs.

By the early 18th century, with the lines between commercial and political dominance being increasingly blurred, a number of European trading companies, including the English East India Company, had established coastal outposts. The East India Company's control of the seas, greater resources, and more advanced military training and technology led it to increasingly assert its military strength and caused it to become attractive to a portion of the Indian elite; these factors were crucial in allowing the company to gain control over the Bengal region by 1765 and sideline the other European companies. Its further access to the riches of Bengal and the subsequent increased strength and size of its army enabled it to annexe or subdue most of India by the 1820s. India was then no longer exporting manufactured goods as it long had, but was instead supplying the British Empire with raw materials. Many historians consider this to be the onset of India's colonial period. By this time, with its economic power severely curtailed by the British parliament and having effectively been made an arm of British administration, the East India Company began more consciously to enter non-economic arenas, including education, social reform and culture.

Modern India

Historians consider India's modern age to have begun sometime between 1848 and 1885. The appointment in 1848 of Lord Dalhousie as Governor General of the East India Company set the stage for changes essential to a modern state. These included the consolidation and demarcation of sovereignty, the surveillance of the population, and the education of citizens. Technological changes—among them, railways, canals, and the telegraph—were introduced not long after their introduction in Europe. However, disaffection with the company also grew during this time and set off the Indian Rebellion of 1857. Fed by diverse resentments and perceptions, including invasive British-style social reforms, harsh land taxes, and summary treatment of some rich landowners and princes, the rebellion rocked many regions of northern and central India and shook the foundations of Company rule. Although the rebellion was suppressed by 1858, it led to the dissolution of the East India Company and the direct administration of India by the British government. Proclaiming a unitary state and a gradual but limited British-style parliamentary system, the new rulers also protected princes and landed gentry as a feudal safeguard against future unrest. In the decades following, public life gradually emerged all over India, leading eventually to the founding of the Indian National Congress in 1885.

The rush of technology and the commercialisation of agriculture in the second half of the 19th century was marked by economic setbacks and many small farmers became dependent on the whims of far-away markets. There was an increase in the number of large-scale famines, and, despite the risks of infrastructure development borne by Indian taxpayers, little industrial employment was generated for Indians. There were also salutary effects: commercial cropping, especially in the newly canalled Punjab, led to increased food production for internal consumption. The railway network provided critical famine relief, notably reduced the cost of moving goods, and helped nascent Indian-owned industry.

After World War I, in which approximately one million Indians served, a new period began. It was marked by British reforms but also repressive legislation, by more strident Indian calls for self-rule, and by the beginnings of a nonviolent movement of non-co-operation, of which Mohandas Karamchand Gandhi would become the leader and enduring symbol. During the 1930s, slow legislative reform was enacted by the British; the Indian National Congress won victories in the resulting elections. The next decade was beset with crises: Indian participation in World War II, the Congress's final push for non-co-operation, and an upsurge of Muslim nationalism. All were capped by the advent of independence in 1947, but tempered by the partition of India into two states: India and Pakistan.

Vital to India's self-image as an independent nation was its constitution, completed in 1950, which put in place a secular and democratic republic. Per the London Declaration, India retained its membership of the Commonwealth, becoming the first republic within it. Economic liberalisation, which began in the 1990s, has created a large urban middle class, transformed India into one of the world's fastest-growing economies, and increased its geopolitical clout. Indian films, music, and spiritual teachings play an increasing role in global culture. Yet, India is also shaped by seemingly unyielding poverty, both rural and urban; by religious and caste-related violence; by Maoist-inspired Naxalite insurgencies; and by separatism in Jammu and Kashmir and in Northeast India. It has unresolved territorial disputes with China and with Pakistan. India's sustained democratic freedoms are unique among the world's newer nations; however, in spite of its recent economic successes, freedom from want for its disadvantaged population remains a goal yet to be achieved.

Geography

India accounts for the bulk of the Indian subcontinent, lying atop the Indian tectonic plate, a part of the Indo-Australian Plate. India's defining geological processes began 75 million years ago when the Indian Plate, then part of the southern supercontinent Gondwana, began a north-eastward drift caused by seafloor spreading to its south-west, and later, south and south-east. Simultaneously, the vast Tethyan oceanic crust, to its northeast, began to subduct under the Eurasian Plate. These dual processes, driven by convection in the Earth's mantle, both created the Indian Ocean and caused the Indian continental crust eventually to under-thrust Eurasia and to uplift the Himalayas. Immediately south of the emerging Himalayas, plate movement created a vast crescent-shaped trough that rapidly filled with river-borne sediment and now constitutes the Indo-Gangetic Plain. The original Indian plate makes its first appearance above the sediment in the ancient Aravalli range, which extends from the Delhi Ridge in a southwesterly direction. To the west lies the Thar Desert, the eastern spread of which is checked by the Aravallis., " The Aravalli range boldy defines the eastern limit of the arid and semi-arid zone. Probably the more humid conditions that prevail near the Aravallis prevented the extension of aridity towards the east and the Ganges Valley. It is noteworthy that, wherever there are gaps in this range, sand has advanced to the east of it.", " The topography of the Indian Desert is dominated by the Aravalli Ranges on its eastern border, which consist largely of tightly folded and highly metamorphosed Archaean rocks.", " East of the lower Indus lay the inhospitable Rann of Kutch and Thar Desert. East of the upper Indus lay the more promising but narrow corridor between the Himalayan foothills on the north and the Thar Desert and Aravalli Mountains on the south. At the strategic choke point, just before reaching the fertile, well-watered Gangetic plain, sat Delhi. On this site, where life giving streams running off the most northern spur of the rocky Aravalli ridge flowed into the Jumna river, and where the war-horse and war-elephant trade intersected, a series of dynasties built fortified capitals."

The remaining Indian Plate survives as peninsular India, the oldest and geologically most stable part of India. It extends as far north as the Satpura and Vindhya ranges in central India. These parallel chains run from the Arabian Sea coast in Gujarat in the west to the coal-rich Chota Nagpur Plateau in Jharkhand in the east. To the south, the remaining peninsular landmass, the Deccan Plateau, is flanked on the west and east by coastal ranges known as the Western and Eastern Ghats; the plateau contains the country's oldest rock formations, some over one billion years old. Constituted in such fashion, India lies to the north of the equator between 6° 44′ and 35° 30′ north latitude and 68° 7′ and 97° 25′ east longitude.

India's coastline measures in length; of this distance, belong to peninsular India and to the Andaman, Nicobar, and Lakshadweep island chains. According to the Indian naval hydrographic charts, the mainland coastline consists of the following: 43% sandy beaches; 11% rocky shores, including cliffs; and 46% mudflats or marshy shores.

Major Himalayan-origin rivers that substantially flow through India include the Ganges and the Brahmaputra, both of which drain into the Bay of Bengal.{{sfn, Dikshit , Schwartzberg, p=15 Important tributaries of the Ganges include the Yamuna and the Kosi; the latter's extremely low gradient, caused by long-term silt deposition, leads to severe floods and course changes.{{sfn, Duff, 1993, p = 353{{sfn, Basu, Xavier, 2017,
78
} Major peninsular rivers, whose steeper gradients prevent their waters from flooding, include the Godavari, the Mahanadi, the Kaveri, and the Krishna, which also drain into the Bay of Bengal;{{sfn, Dikshit , Schwartzberg, p=16 and the Narmada and the Tapti, which drain into the Arabian Sea.{{sfn, Dikshit , Schwartzberg, p=17 Coastal features include the marshy Rann of Kutch of western India and the alluvial Sundarbans delta of eastern India; the latter is shared with Bangladesh.{{sfn, Dikshit , Schwartzberg, p=12 India has two archipelagos: the Lakshadweep, coral atolls off India's south-western coast; and the Andaman and Nicobar Islands, a volcanic chain in the Andaman Sea.{{sfn, Dikshit , Schwartzberg, p=13

Indian climate is strongly influenced by the Himalayas and the Thar Desert, both of which drive the economically and culturally pivotal summer and winter monsoons.{{sfn, Chang, 1967, pp = 391–394 The Himalayas prevent cold Central Asian katabatic winds from blowing in, keeping the bulk of the Indian subcontinent warmer than most locations at similar latitudes.{{sfn, Posey, 1994, p = 118{{sfn, Wolpert, 2003, p = 4 The Thar Desert plays a crucial role in attracting the moisture-laden south-west summer monsoon winds that, between June and October, provide the majority of India's rainfall.{{sfn, Chang, 1967, pp = 391–394 Four major climatic groupings predominate in India: tropical wet, tropical dry, subtropical humid, and montane.{{sfn, Heitzman, Worden, 1996, p=97

Temperatures in India have risen by {{convert, 0.7, C-change, 1, abbr=on between 1901 and 2018. Climate change in India is often thought to be the cause. The retreat of Himalayan glaciers has adversely affected the flow rate of the major Himalayan rivers, including the Ganges and the Brahmaputra.{{cite web, last1=Sethi, first1=Nitin, title=Global warming: Mumbai to face the heat, url=https://timesofindia.indiatimes.com/india/global-warming-mumbai-to-face-the-heat/articleshow/1556662.cms, date=3 February 2007, access-date=11 March 2021, website=The Times of India According to some current projections, the number and severity of droughts in India will have markedly increased by the end of the present century.

Biodiversity

{{Main, Forestry in India, Wildlife of India

India is a megadiverse country, a term employed for 17 countries which display high biological diversity and contain many species exclusively indigenous, or endemic, to them. India is a habitat for 8.6% of all mammal species, 13.7% of bird species, 7.9% of reptile species, 6% of amphibian species, 12.2% of fish species, and 6.0% of all flowering plant species.{{citation , last=Puri, first=S. K., title=Biodiversity Profile of India , website=ces.iisc.ernet.in, url=https://ces.iisc.ernet.in/hpg/cesmg/indiabio.html, access-date=20 June 2007 , archive-url=https://web.archive.org/web/20111121153614/https://ces.iisc.ernet.in/hpg/cesmg/indiabio.html , archive-date=21 November 2011, url-status=dead Fully a third of Indian plant species are endemic.{{sfn, Basak, 1983, p = 24 India also contains four of the world's 34 biodiversity hotspots, or regions that display significant habitat loss in the presence of high endemism.{{efn, A biodiversity hotspot is a biogeographical region which has more than 1,500 vascular plant species, but less than 30% of its primary habitat.{{citation, last1=Venkataraman, first1=Krishnamoorthy, last2=Sivaperuman , first2=Chandrakasan, editor=Sivaperuman, Chandrakasan , editor2=Venkataraman, Krishnamoorthy , title=Indian Hotspots: Vertebrate Faunal Diversity, Conservation and Management, year=2018, publisher=Springer, isbn=978-981-10-6605-4, page=5, chapter=Biodiversity Hotspots in India, chapter-url=https://books.google.com/books?id=8kFKDwAAQBAJ&pg=PA5

According to official statistics, India's forest cover is {{convert, 713789, km2, sqmi, abbr=on, which is 21.71% of the country's total land area.{{cite web, url=https://fsi.nic.in/forest-report-2021-details, title=India State of Forest Report, 2021, publisher=Forest Survey of India, National Informatics Centre, access-date=17 January 2022 It can be subdivided further into broad categories of ''canopy density'', or the proportion of the area of a forest covered by its tree canopy.{{citation, last=Jha, first=Raghbendra , year=2018, title=Facets of India's Economy and Her Society Volume II: Current State and Future Prospects , url=https://books.google.com/books?id=9n9SDwAAQBAJ&pg=PA198, publisher=Springer , isbn=978-1-349-95342-4, page=198 ''Very dense forest'', whose ''canopy density'' is greater than 70%, occupies 3.02% of India's land area.{{cite web, url=https://www.frienvis.nic.in/Database/Forest-Cover-in-States-UTs-2019_2478.aspx, title=Forest Cover in States/UTs in India in 2019, publisher= Forest Research Institute via National Informatics Centre, access-date=16 October 2021 It predominates in the tropical moist forest of the Andaman Islands, the Western Ghats, and Northeast India.{{sfn, Tritsch, 2001, p={{page needed, date=April 2022 ''Moderately dense forest'', whose canopy density is between 40% and 70%, occupies 9.39% of India's land area. It predominates in the temperate coniferous forest of the Himalayas, the moist deciduous '' sal'' forest of eastern India, and the dry deciduous teak forest of central and southern India.{{sfn, Tritsch, 2001, p={{page needed, date=April 2022 ''Open forest'', whose canopy density is between 10% and 40%, occupies 9.26% of India's land area. India has two natural zones of thorn forest, one in the Deccan Plateau, immediately east of the Western Ghats, and the other in the western part of the Indo-Gangetic plain, now turned into rich agricultural land by irrigation, its features no longer visible.{{sfn, Tritsch, 2001, p=14, ps=India has two natural zones of thorn forest, one in the rain shadow area of the Deccan Plateau east of the Western Ghats, and the other in the western part of the Indo-Gangetic plain. Growth is limited only by moisture availability in these areas, so with irrigation the fertile alluvial soil of Punjab and Haryana has been turned into India's prime agricultural area. Much of the thorn forest covering the plains probably had savannah-like features now no longer visible.

Among the Indian subcontinent's notable indigenous trees are the astringent ''Azadirachta indica'', or ''neem'', which is widely used in rural Indian herbal medicine,{{citation, last=Goyal, first=Anupam, title=The WTO and International Environmental Law: Towards Conciliation, url=https://books.google.com/books?id=UTGQAAAAMAAJ&pg=PA295, year=2006, publisher=Oxford University Press, isbn=978-0-19-567710-2, page=295 Quote: "The Indian government successfully argued that the medicinal ''neem'' tree is part of traditional Indian knowledge. (page 295)" and the luxuriant ''Ficus religiosa'', or ''peepul'',{{citation, last=Hughes, first=Julie E., title=Animal Kingdoms, url=https://books.google.com/books?id=RL8qWNmpkc0C&pg=PT106, year=2013, publisher=Harvard University Press, isbn=978-0-674-07480-4, page=106, quote=At same time, the leafy pipal trees and comparative abundance that marked the Mewari landscape fostered refinements unattainable in other lands. which is displayed on the ancient seals of Mohenjo-daro

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