The correct option is B in 1962 A.D
India-China war was in in 1962 A.D. On 20 th October, 1964 War between India and China was fought. A full-fledge war broke out between India and China. The Sino-India war began on October 20, 1962 when the People's Liberation Army of China invaded Ladakh and Arunachal Pradesh (then known as the North East Frontier Agency) in a synchronised move.