Kendriya Vidyalaya (KV), which has its headquarters in New Delhi, oversees the functioning of all schools chained under it. As of May 2019, a total of 1,204 schools were named Kendriya Vidyalayas which makes it one of the longest school chains in the world with three units abroad. The three Kendriya Vidyalayas outside India are in Kathmandu, Teheran and Moscow. All KV schools are affiliated to the Central Board of Secondary Education (CBSE). One of the objectives of KVs is to educate the children of the Indian Defence Services personnel often posted at remote locations. Kendriya Vidyalayas are for central govt employees children only (mainly Indian Defence/Armed Forces wards)