The correct answer is: d) Namcha Barwa.
Namcha Barwa is the highest peak in Arunachal Pradesh, India, and the easternmost peak of the Himalayas. It is located in the Tawang district of Arunachal Pradesh, near the border with China. The peak has an elevation of 7,745 meters (25,443 feet) above sea level.
Kangchenjunga is the third highest mountain in the world, after Mount Everest and K2. It is located in the Himalayas, on the border between Nepal and Sikkim, India. The peak has an elevation of 8,586 meters (28,169 feet) above sea level.
Nanda Devi is the second highest mountain in India, after Kamet. It is located in the Garhwal Himalayas, in the Indian state of Uttarakhand. The peak has an elevation of 7,816 meters (25,645 feet) above sea level.
Kangto is the highest peak in the Kangto Range, which is located in the eastern Himalayas, on the border between India and Bhutan. The peak has an elevation of 7,570 meters (24,836 feet) above sea level.