ব্রিটিশ সরকার ভারতকে স্বাধীন করতে সম্মত হয়েছিল- A. 1944 B. 1945 C. 1946 D. 1947

The official RRB answer key gives 1946. In March 1946 the Attlee government announced the Cabinet Mission to arrange the transfer of power, accepting Indian independence; the Indian Independence Act followed in July 1947.