The district headquarters of Tawang is located in the town of:

Tawang
Bomdila
Dirang
Seppa

The correct answer is (a) Tawang.

Tawang is a town in the Indian state of Arunachal Pradesh. It is the headquarters of Tawang district and the Tawang Monastery. The town is located in the Himalayas, at an altitude of 3,500 meters (11,500 feet). Tawang is a popular tourist destination, known for its natural beauty and its Buddhist monasteries.

Bomdila is a town in the Indian state of Arunachal Pradesh. It is the headquarters of West Kameng district. The town is located in the Himalayas, at an altitude of 2,400 meters (7,900 feet). Bomdila is a popular tourist destination, known for its natural beauty and its Buddhist monasteries.

Dirang is a town in the Indian state of Arunachal Pradesh. It is the headquarters of Dirang district. The town is located in the Himalayas, at an altitude of 2,200 meters (7,200 feet). Dirang is a popular tourist destination, known for its natural beauty and its Buddhist monasteries.

Sessa is a town in the Indian state of Arunachal Pradesh. It is the headquarters of East Kameng district. The town is located in the Himalayas, at an altitude of 2,000 meters (6,600 feet). Sessa is a popular tourist destination, known for its natural beauty and its Buddhist monasteries.