Gurmail Singh is a name associated with several individuals, making it crucial to specify which Gurmail Singh is being referenced. Without further context, providing a definitive biography is impossible. However, I can offer a general overview of potential individuals who might bear that name. It's possible the user is referring to Gurmail Singh, a prominent figure in Indian hockey. If this is the case, Gurmail Singh was a renowned hockey player who represented India on the international stage. He was a member of the Indian team that won a gold medal at the 1980 Moscow Olympics. His contribution to the team and the nation's sporting glory is welldocumented. Beyond his Olympic achievement, he likely participated in other significant hockey tournaments, representing India in various international competitions and contributing to the sport's development within the country. Details about his personal life, early career, and postretirement activities would require further research and specific information to confirm. Alternatively, there may be other individuals named Gurmail Singh who have made contributions in different fields, such as politics, business, academia, or the arts. To provide a more accurate and detailed biography, please specify which Gurmail Singh you are interested in learning about. This will allow for a focused search and the delivery of relevant information pertaining to that particular individual's life and accomplishments.