Correct option is B
Ans. (b)
Floodwaters at Kawas in Barmer are removed through the Luni River, the largest river in the Thar Desert region. The river plays a vital role in managing water flow and preventing waterlogging during floods.
Information Booster
1. The Luni River originates from the Pushkar valley in the Aravalli ranges.
2. It flows through Rajasthan and Gujarat, emptying into marshy lands near the Rann of Kutch.
3. The river is saline beyond Balotra due to the high salt content in the soil.
4. It is an essential water source for the arid regions of Rajasthan.