The state capital of Nagaland is:

Dimapur
Kohima
Mokokchung
Tuensang

The correct answer is: b) Kohima.

Kohima is the capital of Nagaland, India. It is located in the Naga Hills, in the north-eastern part of the country. The city has a population of about 130,000 people. Kohima is a major administrative and commercial center for the state of Nagaland. It is also a popular tourist destination, known for its beautiful scenery and its unique culture.

Dimapur is the largest city in Nagaland, but it is not the capital. It is located in the central part of the state, and it is a major commercial and transportation hub. Mokokchung is a town in the north-eastern part of Nagaland. It is the headquarters of Mokokchung district. Tuensang is a town in the north-eastern part of Nagaland. It is the headquarters of Tuensang district.

Kohima was founded in the 18th century by the Angami Nagas. It became the capital of the Naga Hills district in 1879. In 1947, Nagaland became a part of India, and Kohima became the capital of the new state.

Kohima is a beautiful city, with a lot to offer visitors. It is home to a number of historical and cultural attractions, including the Kohima War Memorial, the Naga Heritage Village, and the Hornbill Festival. The city is also a great place to experience the unique culture of the Naga people.