[8] In 1992, the Government of India awarded him the third highest civilian honor of the Padma Bhushan for his contributions to science.

[9] Born 1 September 1930 at Kaleke, a small village in the Punjab State of India (presently in Moga District), Khem Singh Gill graduated in Agricultural Science (BSc) from Khalsa College, Amritsar in 1949 and secured his master's degree (MSc) from Punjab University in 1951.

[7] He started his career as a research assistant at the Department of Agriculture in Nagrota Bhagwan (Kangra district, Undivided Punjab)under Noted Rice breeder Dr Sohan Singh Saini and later moved to Punjab Agricultural University (PAU) as Assistant Oilseed Breeder before taking a break from work to pursue his doctoral studies at the University of California in 1963.

[8] While serving as the head of the Department of Plant Breeding at PAU, Dr. Gill founded the Crop Improvement Society of India in 1974.

He was associated with the International Maize and Wheat Improvement Center as a member of its program committee and board of trustees (1988–93).

Since 1994, Dr. Gill served as chairman of 129 Akal Academies under The Kalgidhar Trust/Society in the rural areas of Northern India.

[6] Dr. Khem Singh Gill worked with Nobel Peace Laureate Norman Borlaug in the 1960s to develop new varieties of wheat.

[8] The Indian Council made him a National Professor of Eminence in 1980 and the Eternal Global University conferred the Sant Teja Singh Chair Professorship in Sikhism on him in 2016.

[2] Ranjit Singh Gill, after the release from incarceration, is involved in community and social development activities.