Explanation:

On 8 August 1940, early in the Battle of Britain, the Viceroy of India, Lord Linlithgow, made the so-called August Offer, a fresh proposal promising the expansion of the Executive Council to include more Indians, the establishment of an advisory war council, giving full weight to minority opinion, and the recognition of Indians' right to frame their own constitution (after the end of the war).
The Cripps mission was an attempt in late March 1942 by the British government to secure full Indian cooperation and support for their efforts in World War II. The mission was headed by Sir Stafford Cripps, a senior left-wing politician and government minister in the War Cabinet of Prime Minister Winston Churchill.
C. Rajagopalachari's formula 1944 (or C. R. formula or Rajaji formula) was a proposal formulated by Chakravarti Rajagopalachari to solve the political deadlock between the All India Muslim League and Indian National Congress on independence of India from the British.
In May 1945 Wavell visited London and discussed his ideas with the British Government. These London talks resulted in the formulation of a definite plan of action which was officially made public simultaneously on June 14, 1945 by L.S.
In March 1946 that with the arrival of three Cabinet Ministers, Lord Pethick-Lawrence, Sir Stafford Cripps and Mr. A. V. Alexander, a crucial stage was reached in the negotiations between the British Government and the Indian political parties.