The contribution of the revolutionary leaders in the national movement is matchless. Sardar Bhagat Singh, Chandra Shekhar Azad, Sukhdev, Rajguru, Subhash Chandra Bose, Ajeet Singh, Ram Prasad Bismil, Khudiram Bose, Rash Behari Bose, Batukeshwar Dutt, Arvind Ghosh Shyamji Krishna Verma, Veer Savarkar, Lala Hardayal, Rajendra Laheri, Roshan Singh, Ashfaqulla Khan, Madam Bhikaji Kama, Avadh Behari, Ravindranath Sanyal, Madan Lai Dhingra, Chapekar Brothers, Damodar, Bal Krishna, Satish Chandra Bose, Hem Chandra Kanoon and Praful Chaki, etc. were the chief revolutionary leaders.