The correct answer is: a) East Kameng
East Kameng is a district in the Indian state of Arunachal Pradesh. It is located in the eastern part of the state, and is bordered by the districts of West Kameng to the west, Tawang to the north, Dibang Valley to the east, and Lower Subansiri to the south. The district has a population of over 200,000 people, and its headquarters is the town of Seppa.
East Kameng is a mountainous district, with the Himalayas to the north and the Patkai Range to the south. The district is drained by the Kameng River, which flows from the Himalayas into the Brahmaputra River. The climate of East Kameng is temperate, with warm summers and cool winters.
The main economic activities in East Kameng are agriculture, forestry, and mining. The district is home to a number of important mineral deposits, including graphite, limestone, and coal. The district is also home to a number of hydroelectric projects.
East Kameng is a beautiful and diverse district, with a rich history and culture. The district is home to a number of different ethnic groups, including the Monpa, Adi, and Nyishi peoples. The district is also home to a number of important Buddhist monasteries, including the Tawang Monastery.
One of the largest graphite deposits in India is found in East Kameng district. The deposit is located in the Bomdila area, and is estimated to be worth over $1 billion. The deposit is currently being mined by the state-owned company, Mineral Exploration Corporation Limited.
The graphite deposit in East Kameng is a significant economic resource for the state of Arunachal Pradesh. The deposit is expected to generate significant revenue for the state, and will create jobs for local people. The deposit is also expected to attract investment from other companies, and will help to develop the local economy.