21 November 1962, China won the military victory of Sino-Indian War but withdrew to the pre-war boundaries. Since then[clarification needed], India maintains control of North-East Frontier Agency area ie Arunachal Pradesh; China controls areas of Aksai Chin (~30,000 /33,444/37,555 km2) and Trans-Karakoram Tract (5,181/5,180 km2).[citation needed] See article: Sino-Indian War.