Balwant Singh (born on 12th August, 1954) and Smt. Jaswant Kaur (born on 20th October 1955) from S.A.S Nagar Mohali, Punjab have donated blood 79-79 times together at the same venue and same time up to January 1, 2014. They donate blood 4 times every year i.e. on New Year (Jan 1), World health day (April 7), their wedding anniversary (July 5) and National Voluntary blood donation day (October, 1). They have together donated 63.200 litres of blood where Balwant Singh has donated 35.550 litres (450 ml each time) and Smt. Jaswant Kaur donated 27.650 litres (350 ml each time). They believe in doing humanitarian acts together, on their 23rd marriage anniversary, they also pledged their bodies to the Anatomy department of Postgraduate Institute of medical and research Chandigarh for research and teaching purposes.