Balbir Singh Grewal
Balbir Singh Grewal, also known as Balbir Singh, is a retired Indian field hockey player. He played for Railways in the Indian Senior National Hockey Championship. He was part of the Indian teams that won the bronze medal at the 1968 Summer Olympics, gold medal at the 1966 Asian Games and silver medal at the 1970 Asian Games. His brother was the Indian hockey international Gurbux Singh Grewal.