Dhaka Islamic Intermediate College

Dhaka ( or ; bn, ঢাকা, Ḍhākā, ), formerly known as Dacca, is the capital and largest city of Bangladesh, as well as the world's largest Bengali-speaking city. It is the eighth largest and sixth most densely populated city in the world with a population of 8.9 million residents as of 2011, and a population of over 21.7 million residents in the Greater Dhaka Area. According to a Demographia survey, Dhaka has the most densely populated built-up urban area in the world, and is popularly described as such in the news media. Dhaka is one of the major cities of South Asia and a major global Muslim-majority city. Dhaka ranks 39th in the world and 3rd in South Asia in terms of urban GDP. As part of the Bengal delta, the city is bounded by the Buriganga River, Turag River, Dhaleshwari River and Shitalakshya River.

The area of Dhaka has been inhabited since the first millennium. An early modern city developed from the 17th century as a provincial capital and commercial centre of the Mughal Empire. Dhaka was the capital of a proto-industrialised Mughal Bengal for 75 years (1608–39 and 1660–1704). It was the hub of the muslin trade in Bengal and one of the most prosperous cities in the world. The Mughal city was named Jahangirnagar (''City of Jahangir'') in honour of the erstwhile ruling emperor Jahangir. The city's wealthy Mughal elite included princes and the sons of Mughal emperors. The pre-colonial city's glory peaked in the 17th and 18th centuries when it was home to merchants from across Eurasia. The Port of Dhaka was a major trading post for both riverine and seaborne trade. The Mughals decorated the city with well-laid gardens, tombs, mosques, palaces and forts. The city was once called the '' Venice of the East''. Under British rule, the city saw the introduction of electricity, railways, cinemas, Western-style universities and colleges and a modern water supply. It became an important administrative and educational centre in the British Raj, as the capital of Eastern Bengal and Assam province after 1905. In 1947, after the end of British rule, the city became the administrative capital of East Pakistan. It was declared the legislative capital of Pakistan in 1962. In 1971, after the Liberation War, it became the capital of independent Bangladesh. In 2008, Dhaka celebrated 400 years as a municipal city.https://www.thedailystar.net/news-detail-65599https://www.voabangla.com/a/a-16-2008-11-28-voa6-94432729/1396287.htmlhttps://books.google.com.bd/books/about/400_Years_of_Capital_Dhaka_and_Beyond_Ec.html?id=dYchNAEACAAJ&redir_esc=y

A beta-global city, Dhaka is the center of political, economic and culture life in Bangladesh. It is the seat of the Government of Bangladesh, many Bangladeshi companies and leading Bangladeshi educational, scientific, research and cultural organizations. Since its establishment as a modern capital city; the population, area and social and economic diversity of Dhaka have grown tremendously. The city is now one of the most densely industrialized regions in the country. The city accounts for 35% of Bangladesh's economy. The Dhaka Stock Exchange has over 750 listed companies. Dhaka hosts over 50 diplomatic missions as well as the headquarters of BIMSTEC, CIRDAP and the International Jute Study Group. Dhaka has a renowned culinary heritage. The city's culture is known for its rickshaws, biryani, art festivals and religious diversity. The old city is home to around 2000 buildings from the Mughal and British periods. Since 1947, the city saw significant growth in its publishing industry, including the emergence of a thriving press. In Bengali literature, Dhaka's heritage has been reflected in the works of Akhteruzzaman Elias, Tahmima Anam, Shazia Omar and other Bangladeshi writers.

Etymology

The origins of the name Dhaka are uncertain. Once '' dhak'' trees were very common in the area and the name may have originated from it. Alternatively, this name may refer to the hidden Hindu goddess Dhakeshwari, whose temple is located in the south-western part of the city. Another popular theory states that Dhaka refers to a membranophone instrument, '' dhak'' which was played by order of Subahdar Islam Khan I during the inauguration of the Bengal capital in 1610.

Some references also say it was derived from a Prakrit dialect called Dhaka Bhasa; or Dhakka, used in the Rajtarangini for a watch-station; or it is the same as Davaka, mentioned in the Allahabad pillar inscription of Samudragupta as an eastern frontier kingdom. According to Rajatarangini written by a Kashmiri Brahman, Kalhana, the region was originally known as ''Dhakka''. The word ''Dhakka'' means ''watchtower''. Bikrampur and Sonargaon—the earlier strongholds of Bengal rulers were situated nearby. So Dhaka was most likely used as the watchtower for the fortification purpose.

History

Pre-Mughal

The history of urban settlements in the area of modern-day Dhaka dates to the first millennium. The region was part of the ancient district of Bikrampur, which was ruled by the Sena dynasty. Under Islamic rule, it became part of the historic district of Sonargaon, the regional administrative hub of the Delhi and the Bengal Sultanates. The Grand Trunk Road passed through the region, connecting it with North India, Central Asia and the southeastern port city of Chittagong. Before Dhaka, the capital of Bengal was Gour. Even earlier capitals included Pandua, Bikrampur and Sonargaon. The latter was also the seat of Isa Khan and his son Musa Khan, who both headed a confederation of twelve chieftains that resisted Mughal expansion in eastern Bengal during the late 16th century. Due to a change in the course of the Ganges, the strategic importance of Gour was lost. Dhaka was viewed with strategic importance due to the Mughal need to consolidate control in eastern Bengal. The Mughals also planned to extend their empire beyond into Assam and Arakan. Dhaka and Chittagong became the eastern frontiers of the Mughal Empire.

Early period of Mughal Bengal

Dhaka became the capital of the Mughal province of Bengal, Bihar and Orissa in 1610 with a jurisdiction covering modern-day Bangladesh and eastern India, including the modern-day Indian states of West Bengal, Bihar and Orissa. This province was known as Bengal Subah. Dhaka became one of the richest and greatest cities in the world during the early period of Bengal Subah (1610-1717). The prosperity of Dhaka reached its peak during the administration of governor Shaista Khan (1644-1677 and 1680-1688). Rice was then sold at eight maunds per rupee. Thomas Bowrey, an English merchant sailor who visited the city between 1669 and 1670, wrote that the city was 40 miles in circuit. He estimated the city to be more populated than London with 900,000 people.

Bengal became the economic engine of the Mughal Empire. Dhaka played a key role in the proto-industrialisation of Bengal. It was the center of the muslin trade in Bengal, leading to muslin being called "daka" in distant markets as far away as Central Asia. Mughal India depended on Bengali products like rice, silk and cotton textiles. European East India Companies from Britain, Holland, France and Denmark also depended on Bengali products. Bengal accounted for 40% of Dutch imports from Asia, with many products being sold to Dutch ships in Bengali harbors and then transported to Batavia in the Dutch East Indies. Bengal accounted for 50% of textiles and 80% of silks in Dutch textile imports from Asia. Silk was also exported to premodern Japan. The region had a large shipbuilding industry which supplied the Mughal Navy. The shipbuilding output of Bengal during the 16th and 17th centuries stood at 223,250 tons annually, compared to 23,061 tons produced by North America from 1769 to 1771. The Mughals decorated the city with well-laid out gardens. Caravanserai included the Bara Katra and Choto Katra. The architect of the palatial Bara Katra was Abul Qashim Al Hussaini Attabatayi Assemani. According to inscriptions in the Bangladesh National Museum, the ownership of Bara Katra was entrusted to an Islamic '' waqf''. The Bara Katra also served as a residence for Mughal governors, including Prince Shah Shuja (the son of Mughal Emperor Shah Jahan). Dhaka was home to an array of Mughal bureaucrats and military officials, as well as members of the imperial family. The city was guarded by Mughal artillery like the Bibi Mariam Cannon (Lady Mary Cannon).

Islam Khan I was the first Mughal governor to reside in the city. Khan named it "Jahangir Nagar" (''City of Jahangir'') in honour of the Emperor Jahangir. The name was dropped soon after the English conquered. The main expansion of the city took place under governor Shaista Khan. The city then measured , with a population of nearly one million. Dhaka became home to one of the richest elites in Mughal India.
The construction of Lalbagh Fort was commenced in 1678 by Prince Azam Shah, who was the governor of Bengal, a son of Emperor Aurangzeb and a future Mughal Emperor himself. The Lalbagh Fort was intended to be the viceregal residence of Mughal governors in eastern India. Before the fort's construction could be completed, the prince was recalled by Emperor Aurangzeb. The fort's construction was halted by Shaista Khan after the death of his daughter Pari Bibi, who is buried in a tomb in the center of the unfinished fort. Pari Bibi, whose name means ''Fairy Lady'', was legendary for her beauty, engaged to Prince Azam Shah, and a potential future Mughal empress before her premature death. Internal conflict in the Mughal court cut short Dhaka's growth as an imperial city. Prince Azam Shah's rivalry with Murshid Quli Khan resulted in Dhaka losing its status as the provincial capital. In 1717, the provincial capital was shifted to Murshidabad where Murshid Quli Khan declared himself as the Nawab of Bengal.

Naib Nizamat

Under the Nawabs of Bengal, the Naib Nazim of Dhaka was in charge of the city. As the principal tax collector, the annual revenue of the Naib Nazim was 1 million rupees, which was a staggeringly high amount in that era. The Naib Nazim was the deputy governor of Bengal. He also dealt with the upkeep of the Mughal Navy. The Naib Nazim was in charge of Dhaka Division, which included Dhaka, Comilla, and Chittagong. Dhaka Division was one of the four divisions under the Nawabs of Bengal. The Nawabs of Bengal allowed European trading companies to establish factories across Bengal. The region then became a hotbed for European rivalries. The British moved to oust the last independent Nawab of Bengal in 1757, who was allied with the French. Due to the defection of the Nawab's army chief Mir Jafar to the British side, the last Nawab lost the Battle of Plassey.

After the Battle of Buxar in 1765, the Treaty of Allahabad allowed the British East India Company to become the tax collector in Bengal on behalf of the Mughal Emperor in Delhi. The Naib Nazim continued to function until 1793, when all his powers were transferred to the East India Company. The city formally passed to the control of the East India Company in 1793. British military raids damaged a lot of the city's infrastructure. The military conflict caused a sharp decline in the urban population. Dhaka's fortunes received a boost with connections to the mercantile networks of the British Empire. With the dawn of the Industrial Revolution in Britain, Dhaka became a leading center of the jute trade, as Bengal accounted for the largest share of the world's jute production.
But the British neglected Dhaka's industrial and urban development until the late 19th century. Income from the pre-colonial, proto-industrialized textile industry dried up. Bengali weavers went out of business after the imposition of a 75% tax on the export of cotton from Bengal, as well as the surge in imports of cheap, British-manufactured fabrics after the advent of the spinning mule and steam power. Many of the city's weavers starved to death during Bengal's great famines under British rule. The rapid growth of the colonial capital Calcutta contributed to the decline in Dhaka's population and economy in the early 1800s. In 1824, an Anglican bishop described Dhaka as a "city of magnificent ruins".

Trade and migration

Dhaka hosted factories of the English East India Company, the Dutch East India Company, and French East India Company. The property of the Ahsan Manzil was initially bought by the French for their factory and later sold to the Dhaka Nawab Family. The Portuguese were reportedly responsible for introducing cheese. Dhaka saw an influx of migrants during the Mughal Empire. An Armenian community from the Safavid Empire settled in Dhaka and was involved in the city's textile trade, paying a 3.5% tax. The Armenians were very active in the city's social life. They opened the Pogose School. Marwaris were the Hindu trading community. Dhaka also became home to Jews and Greeks. The city has a Greek memorial. Several families of Dhaka's elite spoke Urdu and included Urdu poets. Persians also settled in the city to serve as administrators and military commanders of the Mughal government in Bengal. The legacy of cosmopolitan trading communities lives on in the names of neighborhoods in Old Dhaka, including Farashganj (French Bazaar), Armanitola (Armenian Quarter) and Postogola (Portuguese Quarter).

According to those who lived in the historic city, "Dhaka was a courtly, genteel town – the very last flowering, in their telling, of Mughal etiquette and sensibility. It is this history that is today still reflected in the faded grandeur of the old city, now crumbling due to decades of neglect. The narrow, winding, high-walled lanes and alleyways, the old high-ceilinged houses with verandas and balconies, the old neighbourhoods, the graveyards and gardens, the mosques, the grand old mansions – these are all still there if one goes looking". Railway stations, postal departments, civil service posts and river port stations were often manned by Anglo-Indians.

The city's hinterland supplied rice, jute, gunny sacks, turmeric, ginger, leather hides, silk, rugs, saltpeter, salt, sugar, indigo, cotton, and iron. British opium policy in Bengal contributed to the Opium Wars with China. American traders collected artwork, handicrafts, terracotta, sculptures, religious and literary texts, manuscripts and military weapons from Bengal. Some objects from the region are on display in the Peabody Essex Museum. The increase in international trade led to profits for many families in the city, allowing them to buy imported luxury goods.

British Raj

During the Indian mutiny of 1857, the city witnessed revolts by the Bengal Army. Direct rule by the British crown was established following the successful quelling of the mutiny. It bestowed privileges on the Dhaka Nawab Family, which dominated the city's political and social elite. The Dhaka Cantonment was established as a base for the British Indian Army. The British developed the modern city around Ramna, Shahbag Garden and Victoria Park. Dhaka got its own version of the hansom cab as public transport in 1856. The number of carriages increased from 60 in 1867 to 600 in 1889.

A modern civic water system was introduced in 1874. In 1885, the Dhaka State Railway was opened with a 144 km metre gauge (1000 mm) rail line connecting Mymensingh and the Port of Narayanganj through Dhaka. The city later became a hub of the Eastern Bengal State Railway. The first film shown in Dhaka was screened on the riverfront Crown Theatre on 17 April 1898. The film show was organized by the Bedford Bioscope Company. The electricity supply began in 1901.

This period is described as being "the colonial-era part of Dhaka, developed by the British during the early 20th century. Similar to colonial boroughs the length and breadth of the Subcontinent, this development was typified by stately government buildings, spacious tree-lined avenues, and sturdy white-washed bungalows set amidst always overgrown (the British never did manage to fully tame the landscape) gardens. Once upon a time, this was the new city; and even though it is today far from the ritziest part of town, the streets here are still wider and the trees more abundant and the greenery more evident than in any other part".

Some of the early educational institutions established during the period of British rule include the Dhaka College, the Dhaka Medical School, the Eden College, St. Gregory's School, the Mohsinia Madrasa, Jagannath College and the Ahsanullah School of Engineering. Horse racing was a favourite pastime for elite residents in the city's Ramna Race Course beside the Dhaka Club. The Viceroy of India would often dine and entertain with Bengali aristocrats in the city. Automobiles began appearing after the turn of the century. An 1937 Sunbeam-Talbot Ten was preserved in the Liberation War Museum. The Nawabs of Dhaka owned Rolls-Royces. Austin cars were widely used. Beauty Boarding was a popular inn and restaurant.

Dhaka's fortunes changed in the early 20th century. British neglect of Dhaka's urban development was overturned with the first partition of Bengal in 1905, which restored Dhaka's status as a regional capital. The city became the seat of government for Eastern Bengal and Assam, with a jurisdiction covering most of modern-day Bangladesh and all of what is now Northeast India. The partition was the brainchild of Lord Curzon, who finally acted on British ideas for partitioning Bengal with a view to improve administration, education and business. Dhaka became the seat of the Eastern Bengal and Assam Legislative Council. While Dhaka was the main capital throughout the year, Shillong acted as the summer retreat of the administration. Lieutenant Governors were in charge of the province. They resided in Dhaka. The Lt Governors included Sir Bampfylde Fuller (1905-1906), Sir Lancelot Hare (1906-1911) and Sir Charles Stuart Bayley (1911-1912). Their legacy lives on in the names of three major thoroughfares in modern Dhaka, including Hare Road, Bayley Road, and Fuller Road. The period saw the construction of stately buildings, including the High Court and Curzon Hall.

Dhaka was the seat of government for 4 administrative divisions, including the Assam Valley Division, Chittagong Division, Dacca Division, Rajshahi Division and the Surma Valley Division. There were a total of 30 districts in Eastern Bengal and Assam, including Dacca, Mymensingh, Faridpur and Backergunge in Dacca Division; Tippera, Noakhali, Chittagong and the Hill Tracts in Chittagong Division; Rajshahi, Dinajpur, Jalpaiguri, Rangpur, Bogra, Pabna and Malda in Rajshahi Division; Sylhet, Cachar, the Khasi and Jaintia Hills, the Naga Hills and the Lushai Hills in Surma Valley Division; and Goalpara, Kamrup, the Garo Hills, Darrang, Nowgong, Sibsagar and Lakhimpur in Assam Valley Division. The province was bordered by Cooch Behar State, Hill Tipperah and the Kingdom of Bhutan.

On the political front, partition allowed Dhaka to project itself as the standard-bearer of Muslim communities in British India; as opposed to the heavily Hindu-dominated city of Calcutta. In 1906, the All India Muslim League was founded in the city during a conference on liberal education hosted by the Nawab of Dhaka and the Aga Khan III. The Muslim population in Dhaka and eastern Bengal generally favored partition in the hopes of getting better jobs and educational opportunities. Many Bengalis, however, opposed the bifurcation of the ethnolinguistic region. The partition was annulled by an announcement of King George V during the Delhi Durbar in 1911. The British decided to reunite Bengal while the capital of India was shifted to New Delhi from Calcutta.

As a "splendid compensation" for the annulment of partition, the British gave the city a newly formed university in the 1920s. The University of Dhaka was initially modelled on the residential style of the University of Oxford. It became known as the Oxford of the East because of its residential character. Like Oxford, students in Dhaka were affiliated with their halls of residence instead of their academic departments (this system was dropped after 1947 and students are now affiliated with academic departments). The university's faculty included scientist Satyendra Nath Bose (who is the namesake of the Higgs boson); linguist Muhammad Shahidullah, Sir A F Rahman (the first Bengali vice-chancellor of the university); and historian R. C. Majumdar. The university was established in 1921 by the Imperial Legislative Council. It started with three faculties and 12 departments, covering the subjects of Sanskrit, Bengali, English, liberal arts, history, Arabic, Islamic Studies, Persian, Urdu, philosophy, economics, politics, physics, chemistry, mathematics, and law.

The East Bengal Cinematograph Company produced the first full-length silent movies in Dhaka during the 1920s, including ''Sukumari'' and ''The Last Kiss''. DEVCO, a subsidiary of the Occtavian Steel Company, began widescale power distribution in 1930. The Tejgaon Airport was constructed during World War II as a base for Allied Forces. The Dhaka Medical College was established in 1946.

Metropolitan Dhaka

The development of the "real city" began after the partition of India. After partition, Dhaka became known as the ''second capital'' of Pakistan. This was formalized in 1962 when Ayub Khan declared the city as the legislative capital under the 1962 constitution. New neighborhoods began to spring up in formerly baren and agrarian areas. These included Dhanmondi (rice granary), Katabon (thorn forest), Kathalbagan (jackfruit grove), Kalabagan (banana grove), and Gulshan (flower garden). Living standards rapidly improved from the pre-partition standards. The economy began to industrialize. On the outskirts of the city, the world's largest jute mill was built. The mill produced jute goods which were in high demand during the Korean War. People began building duplex houses. In 1961, Queen Elizabeth II and Prince Philip witnessed the improved living standards of Dhaka's residents. The Intercontinental hotel, designed by William B. Tabler, was opened in 1966. Estonian-American architect Louis I. Kahn was enlisted to design the Dhaka Assembly, which was originally intended to be the federal parliament of Pakistan and later became independent Bangladesh's parliament. The East Pakistan Helicopter Service connected the city to regional towns.

The Dhaka Stock Exchange was opened on 28 April 1954. The first local airline Orient Airways began flights between Dhaka and Karachi on 6 June 1954. The Dhaka Improvement Trust was established in 1956 to coordinate the city's development. The first master plan for the city was drawn up in 1959. The Southeast Asia Treaty Organization established a medical research centre (now called ICDDR,B) in the city in 1960.

The early period of political turbulence was seen between 1947 and 1952, particularly the Bengali Language Movement. From the mid-1960s, the Awami League's 6 point autonomy demands began giving rise to pro-independence aspirations across East Pakistan. In 1969, Sheikh Mujibur Rahman was released from prison amid a mass upsurge which led to the resignation of Ayub Khan in 1970. The city had an influential press with prominent newspapers like the ''Pakistan Observer'', '' Ittefaq,'' ''Forum'', and the ''Weekly Holiday''. During the political and constitutional crisis in 1971, the military junta led by Yahya Khan refused to transfer power to the newly elected National Assembly, causing mass riots, civil disobedience and a movement for self-determination. On 7 March 1971, Awami League leader Sheikh Mujibur Rahman addressed a massive public gathering at the Ramna Race Course Maidan in Dhaka, in which he warned of an independence struggle. Subsequently, East Pakistan came under a non-co-operation movement against the Pakistani state. On Pakistan's Republic Day (23 March 1971), Bangladeshi flags were hoisted throughout Dhaka in a show of resistance.

On 25 March 1971, the Pakistan Army launched military operations under Operation Searchlight against the population of East Pakistan. Dhaka bore the brunt of the army's atrocities, witnessing a genocide and a campaign of wide scale repression, with the arrest, torture and murder of the city's civilians, students, intelligentsia, political activists and religious minorities. The army faced mutinies from the East Pakistan Rifles and the Bengali police. Large parts of the city were burnt and destroyed, including Hindu neighborhoods. Much of the city's population was either displaced or forced to flee to the countryside. In the ensuing Bangladesh War of Independence, the Bangladesh Forces launched regular guerrilla attacks and ambush operations against Pakistani forces. Dhaka was struck with numerous air raids by the Indian Air Force in December. Dhaka witnessed the surrender of the west Pakistan forces in front of the Bangladesh-India Allied Forces on 16 December 1971 with the surrender of Pakistan.

After independence, Dhaka's population grew from several hundred thousand to several million in a span of five decades. Dhaka was declared the national capital by the Constituent Assembly of Bangladesh in 1972. The post-independence period witnessed rapid growth as Dhaka attracted migrant workers from across rural Bangladesh. 60% of population growth has been due to rural migration. The city endured socialist unrest in the early 1970s, followed by a few years of martial law. The stock exchange and free market were restored in the late 1970s. In the 1980s, Dhaka saw the inauguration of the National Parliament House (which won the Aga Khan Award for Architecture), a new international airport and the Bangladesh National Museum. Bangladesh pioneered the formation of the South Asian Association for Regional Cooperation (SAARC) and hosted its first summit in Dhaka in 1985. A mass uprising in 1990 led to the return of parliamentary democracy. Dhaka has hosted a trilateral summit between India, Pakistan and Bangladesh in 1998; the summit of the D-8 Organization for Economic Cooperation in 1999 and conferences of the Commonwealth, SAARC, the OIC and United Nations agencies during various years.

In the 1990s and 2000s, Dhaka experienced improved economic growth and the emergence of affluent business districts and satellite towns. Between 1990 and 2005, the city's population doubled from 6 million to 12 million. There has been increased foreign investment in the city, particularly in the financial and textile manufacturing sectors. Between 2008 and 2011, the government of Bangladesh organized three years of celebrations to mark 400 years since Dhaka's founding as an early modern city. But frequent hartals by political parties have greatly hampered the city's economy. The hartal rate has declined since 2014. In some years, the city experienced a widespread flash flood during the monsoon.

Dhaka is one of the fastest growing megacities in the world. It is predicted to be one of the world's largest metropolises by 2025, along with Tokyo, Mexico City, Shanghai, Beijing and New York City. Dhaka remains one of the poorest megacities. Most of its population are rural migrants, including climate refugees. Blue-collar workers are often housed in slums. Congestion is one of the most prominent features of modern Dhaka. In 2014, it was reported that only 7% of the city was covered by roads. The first phase of the Dhaka Metro is planned for opening in December 2022, coinciding with Bangladesh's 51st victory day.

Geography

Topography

Dhaka is located in central Bangladesh at , on the eastern banks of the Buriganga River. The city lies on the lower reaches of the Ganges Delta and covers a total area of . Tropical vegetation and moist soils characterize the land, which is flat and close to sea level. This leaves Dhaka susceptible to flooding during the monsoon seasons owing to heavy rainfall and cyclones. Due to its location on the lowland plain of the Ganges Delta, the city is fringed by extensive mangroves and tidal flat ecosystems. Dhaka District is bounded by the districts of Gazipur, Tangail, Munshiganj, Rajbari, Narayanganj, Manikganj.

Cityscape

With the exception of Old Dhaka, which is an old bazaar-style neighborhood, the layout of the city follows a grid pattern with organic development influenced by traditional South Asian as well as Middle Eastern and Western patterns. Growth of the city is largely unplanned and is focused on the northern regions and around the city centre, where many of the more affluent neighborhoods may be found. Most of the construction in the city consists of concrete high-rise buildings. Middle-class and upper-class housing, along with commercial and industrial areas, occupy most of the city; slums may be found in the outskirts and in less-visible areas such as alleyways. The most significant area of slums is found near the Buriganga River covering Kamrangirchar Thana.

Dhaka does not have a well-defined central business district. Old Dhaka is the historic commercial center, but most development has moved to the north. The area around Motijheel is considered the "old" CBD, while to some extent Gulshan is considered the "new" CBD. Many Bangladeshi government institutions can be found in Tejgaon, Sher-e-Bangla Nagar, and Ramna.

Dhaka is among the most congested cities in the world, and traffic was estimated to cost the local economy US$3.9 billion per year in 2013. The average speed of a car travelling in Dhaka is estimated to be around . Most residents travel by rickshaw and green-coloured auto rickshaws powered by compressed natural gas, often referred to by locals as "CNGs". Much activity is centered around a few large roads, where road laws are rarely obeyed and street vendors and beggars are frequently encountered.

Climate

Under the Köppen climate classification, Dhaka has a tropical savanna climate ( Köppen ''Aw''). The city has a distinct monsoonal season, with an annual average temperature of and monthly means varying between in January and in May. Approximately 87% of the average annual rainfall of occurs between May and October. According to the air quality index (AQI), the air of Dhaka is "unhealthy", and it posited third in the measurement of pollution. Increasing air and water pollution emanating from traffic congestion and industrial waste are serious problems affecting public health and the quality of life in the city. Water bodies and wetlands around Dhaka are facing destruction as these are being filled up to construct multi-storied buildings and other real estate developments. Coupled with pollution, such erosion of natural habitats threatens to destroy much of the regional biodiversity.
Due to the unregulated manufacturing of brick and other causes, Dhaka is one of the most polluted world cities with very high levels of PM2.5 air pollution.

Parks and greenery

There are many parks within Dhaka City, including Ramna Park, Suhrawardy Udyan, Shishu Park

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