- Emergence of socialism in the 1920s in the nationalist ranks
- JL Nehru and SC Bose
- Raised the question of internal class oppression by capitalists and landlords
- MN Roy became the first Indian to be elected to the leadership of the Communist International
- Muzaffer Ahmed and SA Dange were tried in the Kanpur Conspiracy Case
- 1925: Communist Party of India was formed
- All India Trade Union Congress
- Various Strikes: Bombay textile mills, Jamshedpur, Kharagpur
- Bardoli Satyagraha (1928)
- Peasants under the leadership of Sardar Patel organized no tax campaign
- Indian Youth were becoming active
- First All Bengal Conference of Students held in 1928 presided by JL Nehru
- Hindustan Republican Association: 1924
- Kakori Conspiracy Case (1925)
- Four, including Ram Prasad Bismil and Ashfaqulla Khan were hanged.
- Hindustan Socialist Republican Association (1928)
- On 17th December 1928, Bhagat Singh, Azad and Rajguru assassinated Saunders
- Bhagat Singh and BK Dutt threw bomb in the Central Legislative Assembly on 8 April 1929 to let the people know of their changed political objectives
- Chittagong Armoury Raid: 1030, Surya Sen
- Participation of young women
