Here are the events arranged in chronological order:- Jallianwala Bagh Massacre (1919) – British troops killed hundreds of unarmed civilians in Amritsar. II
- Gandhi-Irwin Pact (1931) – An agreement to halt the Civil Disobedience Movement, reached between Mahatma Gandhi and Lord Irwin. IV
- Quit India Movement (1942) – The Indian National Congress initiated this significant civil disobedience movement, demanding an end to British rule. III
- Formation of the Constituent Assembly (1946) – This body was established to draft the Constitution of India. I
Thus, the correct chronological order is: II, IV, III, I.