Cabinet Mission Plan

The Cabinet Mission Plan was the scheme unveiled on 16 May 1946 by a three-member British delegation — Lord Pethick-Lawrence (Secretary of State for India), Sir Stafford Cripps (President of the Board of Trade), and A. V. Alexander (First Lord of the Admiralty) — dispatched by Prime Minister Clement Attlee to negotiate the constitutional framework for transferring power to Indian hands. Confronted by an irreconcilable demand for Pakistan from the All-India Muslim League and an insistence on a strong centre from the Indian National Congress, the Mission rejected both a sovereign Pakistan and a fully unitary India. It proposed instead a loose, three-tier federation: a Union centre confined to defence, foreign affairs, and communications; the provinces retaining all residuary powers; and an intermediate tier of three "Groups" of provinces (Group A of Hindu-majority provinces, Group B of the north-west Muslim-majority provinces, and Group C comprising Bengal and Assam) empowered to frame their own group constitutions.

The Plan's operative machinery rested on the grouping clause and the procedure for a Constituent Assembly elected indirectly by the provincial legislatures, with seats allotted communally among General, Muslim, and Sikh constituencies. Provinces could opt out of their Group only after the first general election under the new constitution, and the constitution itself was reviewable after ten years. The crux of the dispute lay in whether grouping was compulsory or optional — the Mission's interpretation, endorsed by the Viceroy and later by the British Government's statement of 6 December 1946, held grouping to be obligatory, whereas the Congress treated it as voluntary. The Mission also proposed an Interim Government at the centre, distinct from the long-term constitutional scheme.

The Muslim League under Muhammad Ali Jinnah initially accepted the Plan on 6 June 1946, reading the grouping provision as the embryo of Pakistan, while the Congress accepted only the constituent-assembly part. Jawaharlal Nehru's press statement of 10 July 1946 at Bombay, asserting that the Congress would enter the Assembly "unfettered by agreements" and could alter the grouping scheme, prompted the League to withdraw its acceptance on 29 July 1946 and to call Direct Action Day on 16 August 1946, which triggered the Great Calcutta Killings. The collapse of the Plan effectively foreclosed the last serious attempt at a united India and set the trajectory toward the Mountbatten Plan of 3 June 1947 and Partition.

For the examinations, the Cabinet Mission Plan is a high-frequency topic. In the UPSC General Studies Paper I (Modern Indian History) and the optional History paper, questions probe its three-tier structure, the grouping controversy, and the chain of events from Nehru's Bombay statement to Direct Action Day. In Pakistan's CSS Pakistan Affairs paper, it is examined as the pivotal moment when constitutional negotiation gave way to the demand for a separate state, with candidates expected to analyse Jinnah's acceptance and reasons for withdrawal. The typical question angle asks whether the Plan could have preserved Indian unity, the legal nature of grouping, and how the Constituent Assembly that convened on 9 December 1946 flowed from this Plan.