Rajendra Singh has devoted his life to solving Rajasthan 's water problems . Rajasthan is India 's largest state and also one of the driest . Singh says rainwater is a resource we can not afford to waste . The dams are made of earth and rock . The government in Delhi, which controls most of India's rivers, doesn't want him to stop using it because they say that if he stops then other states will follow suit.
Rajendra Singh has devoted his life to solving Rajasthan 's water problems . Rajasthan is India 's largest state and also one of the driest . Singh says rainwater is a resource we can not afford to waste . The government in Delhi, which controls most of India's rivers, doesn't want him to stop using it because they say that if he stops then other states will follow suit.