As Indian and Chinese governments could not reach agreement on disputed territories along the 3,225-kilometer-long border, the Chinese launched simultaneous offensives in Ladakh and across the McMahon Line on October 20, 1962.
Chinese army Marshal Liu Bocheng headed a group to determine the strategy for the war. He concluded that the opposing Indian troops were among India's best, and to achieve victory would require deploying crack troops and relying on force concentration to achieve a decisive victory.