Which river is known as the 'Lifeline of Rajasthan'?
- Luni
- Chambal
- Banas
- Indira Gandhi Canal
Answer: Indira Gandhi Canal
The Indira Gandhi Canal (formerly Rajasthan Canal) is known as the 'Lifeline of Rajasthan'. It brings water from the Sutlej and Beas rivers to the Thar Desert, enabling agriculture and drinking water supply. It is one of the largest irrigation projects in India.