The correct option is The Satluj.
Explanation
The Himalayan drainage system consists of major rivers that originate north of the mountain ranges in the Tibetan plateau. These rivers often have distinct local names in Tibet based on their source or cultural significance before entering Indian territory.
Detailed Analysis
- Satluj (Sutlej): This river originates from the Rakas Tal (Lake Rakshastal) near Lake Manasarovar in Tibet at an altitude of approximately 4,555 meters. In Tibet, it is known as Langchen Khambab, which translates to "Elephant's Mouth." It flows almost parallel to the Indus for about 400 km before entering India through the Shipki La pass.
- Indus: Originating from a glacier near Bokhar Chu in the Tibetan region near Lake Manasarovar, the Indus is known as Singi Khambab or "Lion's Mouth" in Tibet.
- Brahmaputra: Originating from the Chemayungdung glacier near the Kailash range, it is known as the Yarlung Tsangpo in Tibet.
- Karnali: Originating near Mount Kailash, the Karnali (a major tributary of the Ghaghara) is referred to as Mapcha Khambab or "Peacock's Mouth" in its upper reaches.
Key Takeaway: The Satluj river is referred to as Langchen Khambab in Tibet, signifying its origin from the "Elephant's Mouth" near Rakas Tal.