he became the Premier of Bihar province when Congress came to power. Under the Government of India Act of 1935, Sinha formed his Cabinet at Patna on 20 July 1937. He and his colleague A.N. Sinha disagreed with the governor on the issue of the release of political prisoners and resigned. The then-governor had to accede to the demands for release of prisoners from Cellular Jail (Kalapani) and Bihar Tenancy Act was reformed in favour of peasants. They then resumed office. But they again resigned in 1939, as did all Congress chief ministers, over the question of involving India in the Second World War without the consent of the Indian people. Along with A.N. Sinha,the first deputy chief minister cum finance minister of Bihar, he is considered one of the makers of modern Bihar. Sinha was always interested in self-study and his ideas and speeches were noted for their wisdom. He was a staunch opponent of castes and defended the oppressed. Impressed by his courage, in 1940 Gandhi described him as "the first Satyagrahi" of Bihar while A.N. Sinha was the second. He was jailed for nine months (22 November 1940 – 26 August 1941). When the Quit India movement started in 1942, he was arrested on 10 August. He was released in 1944 from Hazaribagh jail after he became seriously ill. In the same year his wife died at Prince of Wales Medical College. As the former chief minister of Bihar he attended the Simla Conference and also became the member of Constituent Assembly of India which framed the Constitution of India. Sinha served Bihar continuously from 1946 until his death on 31 January 1961 at the age of 73. In 1978, the Ministry of Culture established a science museum called Srikrishna Science Centre. The biggest conference hall in Patna, Shri Krishna Memorial Hall is also named after him. Political Legacy Almost all the development projects in Bihar during this period involved the leadership pair of Sinha and A.N. Sinha. It includes several river valley projects right from Koshi, Aghaur and Sakri to other such river projects. The first five-year plan period was given to the development in rural development works mainly in the agricultural sector. Bihar became the top state in the country's first five-year plan. From the second five-year plan period, Sinha brought several heavy industries like Barauni Refinery, Heavy Engineering Corporation at Ranchi, Bokaro Steel Plant,