What political group did Batukeshwar Dutt and Bhagat Singh belong to?
Batukeshwar Dutt Batukeshwar Dutt    was an Indian revolutionary and independence fighter in the early 1900s. He is best known for having exploded a few bombs, along with Bhagat Singh, in the Central Legislative Assembly in New Delhi on 8 April 1929. After they were arrested, tried and imprisoned for life, he and Bhagat Singh initiated a historic hunger strike protesting against the abusive treatment of Indian political prisoners, and eventually secured some rights for them. He was also a member of the Hindustan Socialist Republican Association.
Kumar Sankar Roy Kumar Sankar Roy was born in 1882 and was a scion of the zamindar family of Teota (now in Bangladesh). Although initially trained as a Barrister he never took up law as his profession. Instead, he entered politics as part of the Swarajya Party, founded by Chittaranjan Das and was elected to the Central Legislative Assembly on a Congress ticket. He was a member of the Council of State until his death in 1944. He was an elder cousin to the nationalist leader Kiran Sankar Roy.