The Correct Answer is a - III, b - IV, c - II, d - I.

• Indian Councils Act, 1909:  
  • The Indian Councils Act 1909, generally referred to as the Morley-Minto or Minto-Morley Reforms, was an Act of the UK Parliament that resulted in a small increase in Indian participation in British India's governance. In 1906, the Muslim League was founded by an elite aimed at promoting Muslim interests, preventing Hindu supremacy over Muslims through a parliamentary system and advancing the Muslim perspective in post-October 1907 deliberations on constitutional reforms.
• Govt. of India Act, 1919: 
  • An act of the Parliament of the United Kingdom was the Government of India Act 1919. It was passed in order to increase Indian involvement in India's government. In the report of the Secretary of State for India, Edwin Montagu, and the Viceroy, Lord Chelmsford, the Act embodied the amendments suggested. Ten years were protected by the Act, from 1919 to 1929.
• Govt. of India Act, 1935: 
  • An act of the Parliament of the United Kingdom was the Government of India Act 1935. In August 1935, it originally obtained Royal assent. Before the Greater London Authority Act, 1999 exceeded it, it was the longest Act of Parliament ever enacted. 
• Indian Independence Act, 1947:  
  • The Indian Independence Act of 1947 is an Act of the UK Parliament separating British India into the two new independent dominions of India and Pakistan. On 18 July 1947, the Act obtained Royal Assent and thus India and Pakistan, comprising the regions of West (modern-day Pakistan) and East (modern-day Bangladesh), came into being on 15 August.