INDIAN HISTORY

Detailed explanation-1: -Sachindra Nath Sanyal and Ram Prasad Bismil were the founder members of the Hindustan Republican Association.

Detailed explanation-2: -HSRA was founded by Ram Prasad Bismil and other important figures associated with HSRA are Chandrasekhar Azad, Ashfaqulla Khan, Bhagat Singh, Sukhdev Thapar and Jogesh Chandra Chatterjee.

Detailed explanation-3: -The Hindustan Socialist Republican Association was established in 1928. Revolutionaries like Chandrashekhar Azad, Bhagat Singh, Rajguru and Sukhdev were present at the meeting, held at the Feroz Shah Kotla ground in Delhi, during the establishment of the organisation.

Detailed explanation-4: -Detailed Solution. The correct answer is option 2, i.e. Badruddin Tyabji. Hindustan Socialist Republican Army(HSRA) established in 1928 at Feroz Shah Kotla ground in Delhi by Chandrasekhar Azad, Bhagat Singh, Sukhdev Thapar, Jatin Das, and Ajay Ghosh.