When and where was the Hindustan Republic Association (HRA) founded, and who were its key leaders?

Q. When and where was the Hindustan Republic Association (HRA) founded, and who were its key leaders?
Answer: 3rd October 1924, Kanpur; Chandra Shekhar Azad, Ram Prasad Bismil, Sachindra Nath Sanyal
Notes: The HRA was founded on 3rd October 1924 in Kanpur by Chandra Shekhar Azad, Ram Prasad Bismil, and Sachindra Nath Sanyal. It aimed to overthrow British rule and later became the HSRA in 1928.