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Mankombu is a small town in Tamil Nadu, India. It is located in the Tirunelveli district, and is known as the birthplace of M.S. Swaminathan, a renowned agricultural scientist. Swaminathan was born in 1919, and is considered to be one of the fathers of the Green Revolution in India. He has been credited with helping to increase agricultural production in the country, and has received numerous awards for his work.