Man Mohan Suri (1928–1981) was an Indian mechanical engineer and the Director of

Central Mechanical Engineering Research Institute The Central Mechanical Engineering Research Institute (also known as CSIR-CMERI Durgapur or CMERI Durgapur) is a public engineering research and development institution in Durgapur, West Bengal, India. It is a constituent laboratory of the I ...

(CMERI), Durgapur. He is best known for inventing '' Suri Transmission'', a hydromechanical transmission unit, reported to increase the efficiency of diesel locomotives and he held the patent for the inventions. The technology is known to have led to 36 patent specifications in eleven countries. He is also credited with the conceptualization of Swaraj farm tractor, a product of

Punjab Tractors Ltd. Punjab Tractors was the first Indian company to indigenously manufacture agricultural tractors in India, aptly named as Swaraj – giving a new dimension to the concept of self-reliance put forth by MK Gandhi. The seeds of this organization wer ...

and held another patent for his development of ''Railway truck wheel assembly''. He received the fourth highest Indian civilian award of the

Padma Shri Padma Shri (IAST: ''padma śrī''), also spelled Padma Shree, is the fourth-highest Indian honours system, civilian award of the Republic of India, after the Bharat Ratna, the Padma Vibhushan and the Padma Bhushan. Instituted on 2 January 1954, ...

in 1961. The

Council of Scientific and Industrial Research The Council of Scientific and Industrial Research (IAST: ''vaigyanik tathā audyogik anusandhāna pariṣada''), abbreviated as CSIR, was established by the Government of India in September 1942 as an autonomous body that has emerged as the l ...

, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards for his contributions to Engineering Sciences in 1962. The Indian Institute of Technology, Delhi has instituted an annual award, ''Padmashri Manmohan Suri Project Award'', for honoring the best mechanical project by its alumni. Swaraj Tractor

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* * * Recipients of the Padma Shri in science & engineering Recipients of the Shanti Swarup Bhatnagar Award in Engineering Science 1928 births 1981 deaths Engineers from Punjab, India 20th-century Indian inventors Indian mechanical engineers 20th-century Indian engineers Indian patent holders {{India-engineer-stub