Correct Option
(D) The Congress Session held in Karachi in 1931, presided over by Sardar Vallabhbhai Patel, endorsed the Gandhi-Irwin Pact. It did not oppose the pact. This session was also significant for passing resolutions on Fundamental Rights and Economic Policy, which later influenced the Indian Constitution.
Incorrect Options
1) The Rowlatt Act, passed in 1919, led to widespread popular indignation and protests across India. These protests culminated in the Jallianwala Bagh massacre on April 13, 1919, where British troops fired upon a peaceful gathering.
2) Subhas Chandra Bose formed the Forward Bloc in 1939. This was after his resignation from the presidency of the Indian National Congress due to ideological differences with Mahatma Gandhi and the Congress Working Committee.
3) Bhagat Singh was a prominent member and one of the key figures in the reorganization of the Hindustan Republican Association (HRA) into the Hindustan Socialist Republican Association (HSRA) in 1928. While HRA was founded earlier by Ram Prasad Bismil and others, Bhagat Singh played a crucial role in infusing a socialist ideology into the organization and renaming it HSRA.