The correct answer is Option (3) → (B), (A), (D), (C), (E)
The correct chronological order is:
(B) 26 July 1945: Labour Government comes to power in Britain.
(A) 16 May 1946: Cabinet Mission comes to India.
(D) 16 August 1946: Muslim League announces Direct Action Day.
(C) 9 December 1946: Constituent Assembly begins its sessions.
(E) December 1949: Constitution of India is signed.
Timeline of important events in the Indian Freedom movement:
1942: Quit India Movement begins (August)
26 July 1945: Labour Government comes into power in Britain
December January (1945-46): General Elections in India
16 May 1946: Cabinet Mission announces its constitutional scheme
16 June 1946: Muslim League accepts Cabinet Mission’s constitutional scheme
16 June 1946: Cabinet Mission presents a scheme for the formation of an Interim Government at the Centre
16 August 1946: Muslim League announces Direct Action Day or The Great Calcutta Killings
2 September 1946: Congress forms Interim Government with Nehru as the Vice-President
13 October 1946: The Muslim League decides to join the Interim Government
3-6 December 1946: British Prime Minister, Attlee, meets some Indian leaders; talks fail
9 December 1946: Constituent Assembly begins its sessions
29 January 1947: Muslim League demands dissolution of Constituent Assembly
16 July 1947: Last meeting of the Interim Government
11 August 1947: Jinnah elected President of the Constituent Assembly of Pakistan
14 August 1947: Pakistan Independence; celebrations in Karachi
14-15 August 1947 : At midnight India celebrates Independence
December 1949: Constitution is signed | 
