| Abolition of Sati | 1829 | Lord William Bentinck | Abolished the Sati System; strongly supported by Raja Rammohan Roy. |
| Doctrine of Lapse | 1848 | Lord Dalhousie | Allowed annexation of princely states where rulers died without a natural heir. |
| Hindu Widow Remarriage Act | 1856 | Lord Canning | Legalised widow remarriage among Hindus; championed by Ishwar Chandra Vidyasagar. |
| Indian Councils Act | 1861 | Lord Canning | Introduced Indian representation in the legislative process and expanded administrative participation. |
| Ilbert Bill | 1883 | Lord Ripon | Proposed judicial equality, empowering Indian judges to try European offenders. |
| Indian Councils Act | 1892 | Lord Lansdowne | Enlarged the Central and Provincial Legislative Councils and increased Indian participation. |
| Morley–Minto Reforms (Indian Councils Act) | 1909 | Lord Minto II | Introduced Separate Electorates for Muslims and expanded legislative councils. |
| Montagu–Chelmsford Reforms (Government of India Act) | 1919 | Lord Chelmsford | Introduced the Dyarchy System in the provinces. |
| Jallianwala Bagh Massacre | 1919 | Lord Chelmsford | General Dyer ordered firing on an unarmed gathering at Amritsar, becoming a turning point in the freedom struggle. |
| Rowlatt Act | 1919 | Lord Chelmsford | Granted the Government extraordinary powers to arrest and detain people without trial, severely restricting civil liberties. |
| Simon Commission | 1928 | Lord Irwin | Appointed to review the Government of India Act, 1919; boycotted because it had no Indian member. |
| Gandhi–Irwin Pact (Delhi Pact) | 1931 | Lord Irwin | Suspended the Civil Disobedience Movement and enabled Congress to attend the Second Round Table Conference. |
| Communal Award (MacDonald Award) | 1932 | Lord Willingdon | Extended communal representation, including Separate Electorates for the Depressed Classes. |
| Separate Electorates | 1932 | Lord Willingdon | Introduced under the Communal Award; later modified through the Poona Pact. |
| Government of India Act | 1935 | Lord Willingdon | Provided for Provincial Autonomy and proposed an All-India Federation. |
| Cripps Mission | 1942 | Lord Linlithgow | Offered Dominion Status after the Second World War and proposed a Constituent Assembly. |
| INA Trials | 1945 | Lord Wavell | Officers of the Indian National Army were tried at the Red Fort, triggering widespread nationalist sentiment. |
| Wavell Plan | 1945 | Lord Wavell | Proposed reconstitution of the Viceroy’s Executive Council with balanced communal representation. |
| Cabinet Mission Plan | 1946 | Lord Wavell | Recommended the formation of a Constituent Assembly and an Interim Government. |
| Mountbatten Plan (3 June Plan) | 1947 | Lord Mountbatten | Accepted the Partition of India and outlined the transfer of power. |
| Indian Independence Act | 1947 | Lord Mountbatten | Created the independent Dominions of India and Pakistan, ending British rule. |
