The correct option is C 1928
Bhagat Singh, Chandra Shekhar Azad, Sukhdev and other revolutionaries founded the Hindustan Socialist Republican Association (HSRA) in 1928 at Feroz Shah Kotla in Delhi. On 17 December, 1928, Bhagat Singh, Azad and Rajguru assassinated Saunders, a police officer who was involved in the lathi-charge that had caused the death of Lala Lajpat Rai.