Lal Narayan Sinha was a lawyer who served as the Attorney General of India between 9 August 1979 and 8 August 1983, and as the Solicitor General of India from 17 July 1972 until 5 April 1977. He was educated at Patna Law College, Patna University. Sinha was the first Attorney General to represent a private party during their term in office. Before becoming the Solicitor General of India, he was the Advocate General of Bihar for several years.