The correct answer is M. S. Swaminathan.The first green revolution that started in India during 1967-68 was mainly due to great agricultural scientist M. S. Swaminathan.The Green Revolution in India was initiated in the 1960s by introducing high-yielding varieties of rice and wheat to increase food production in order to alleviate hunger and poverty.In India, the Green Revolution was mainly led by M.S. Swaminathan.The Green Revolution changed Indias status from a food-deficient country to one of the world's leading agricultural nations.Mankombu Sambasivan Swaminathan was awarded the first World Food Prize in 1987. He was called the Father of Economic Ecology by the United Nations Environment Programme.Additional InformationA. B. Joshi ?He was an Indian agricultural scientist.He was the chairman of the Research Advisory Committee of the Indian Agricultural Research Institute.He was honoured with Padma Shri in 1975.M. S. Randhawa ?He was a Punjabi civil servant and writer.He played a major role in Green Revolution in India.Gulzar Singh Sandhu gave him the sobriquet Punjab da Chhewan Dariya (the sixth river of Punjab).V. Kurien ?He is known as the Father of the White Revolution in India.He was awarded World Food Prize in 1989.He was honored with Padma Vibushan in 1999.