The correct answer is (b) Bhilangana.
The Khatling glacier is located in the Garhwal Himalayas in the Indian state of Uttarakhand. It is the source of the Bhilangana River, which is a tributary of the Alakananda River. The Alakananda River, in turn, is a tributary of the Ganges River.
The Bhilangana River is a major river in the Garhwal Himalayas. It is about 120 kilometers long and flows through the Chamoli and Garhwal districts of Uttarakhand. The river is a popular destination for white-water rafting and kayaking.
The Alakananda River is a major river in the Garhwal Himalayas. It is about 200 kilometers long and flows through the Chamoli, Rudraprayag, and Dehradun districts of Uttarakhand. The river is a tributary of the Ganges River.
The Ganges River is the longest river in India. It is about 2,525 kilometers long and flows through the states of Uttarakhand, Uttar Pradesh, Bihar, Jharkhand, and West Bengal. The river is a major source of water for irrigation and drinking water for millions of people in India.