The correct option is D Punjab
Dr. Gurcharan Singh Kalkat (91), the former agriculture commissioner of India and Padam Shri and Padam Bhushan awardee, had passed away in Chandigarh, Punjab on January 27, 2018. He was known for his contribution during the Green Revolution era which led to a boom in the production of wheat and rice in the country. He was the one who even ushered a soybean revolution in Punjab. Kalkat was also the former vice-chancellor of Punjab Agricultural University (Ludhiana) from 1998-2001.