Justice Gopal Singh was born on February 26, 1911 at Nawan Jhandawalan, District Mianwali, now in Pakistan. He did his schooling from Government High School, Mianwali and obtained his Bachelor's in Science from Punjab Agriculture College, Lyallpur. He studied law at the Law College, Lahore. On completing his LL.B. he was admitted to the Bar and started practicing at the Lahore Courts, appearing before the District Court and the High Court. He specialized in matters related to Company Law, Income Tax and Criminal Law.

Prior to Partition he had also started practicing before the Shimla Bench of the Lahore High Court. After the Partition, he became a member of the High Court Bar Association of Punjab and Haryana and commenced practice before the High Court and the Supreme Court. He was elevated to the Bench by the Punjab and Haryana High Court on May 28, 1968 and retired on February 26, 1973. Thereafter, he started practicing before the Supreme Court.

Justice Gopal Singh was a bachelor, he had no issue. During his lifetime he founded this charitable trust and donated all his properties to the Trust. The Trust was registered on October 11, 1973. In Justice Gopal Singh's own words the Trust is created

"with a view to promote charitable objects such as health and medical facilities, education and training of boys and girls and adults for acquisition of knowledge and development of character so as to make them healthy and educated citizens, for amelioration and uplift of backward and poverty-stricken people of India, for International goodwill and understanding and for bettering the lot of women and children."
Justice Gopal Singh left for his heavenly abode on September 15, 1977.