The correct answer is (d) Champawat.
Champawat is a district in the Kumaon division of Uttarakhand, India. It is the northernmost district of the state and is bordered by Pithoragarh district to the south, Bageshwar district to the west, the Tibet Autonomous Region of China to the north, and Nepal to the east. The district headquarters is the town of Champawat.
According to the 2011 Census of India, the population of Champawat district is 276,439. This makes it the least populous district in Uttarakhand. The district has a population density of 14 people per square kilometer.
The majority of the population of Champawat district is Hindu. There are also small Muslim, Buddhist, and Christian minorities.
The main language spoken in Champawat district is Kumaoni. Hindi and English are also spoken.
The economy of Champawat district is based on agriculture. The main crops grown are rice, wheat, maize, and barley. The district is also home to a number of small industries, including handloom weaving, carpet making, and stone carving.
Champawat district is a beautiful and scenic region. The district is home to a number of mountains, including Nanda Devi, the highest mountain in India. The district is also home to a number of rivers, including the Alaknanda River and the Gori Ganga River.
Champawat district is a popular tourist destination. The district is home to a number of temples, including the Nanda Devi Temple and the Jageshwar Temple. The district is also home to a number of national parks, including the Nanda Devi National Park and the Jim Corbett National Park.