Correct Option: A

Nagaland is a state in the far north-eastern part of India. It borders the state of Assam to the west, Arunachal Pradesh and part of Assam to the north, Burma to the east and Manipur to the south. Nagaland, the 16th state of the Indian Union, was established on December 1, 1963. It is divided into eleven districts: Kohima, Phek, Mokokchung, Wokha, Zunheboto, Tuensang, Mon, Dimapur, Kiphire, Longleng and Peren. It is a largely mountainous state.