How is rainwater harvesting helped in the development of certain areas of India Explain with examples. 

Rainwater harvesting is a technique whereby rainwater is stored for future use. It helps in recharging groundwater, improves the groundwater table and controls soil erosion. In various regions of India, rainwater harvesting has helped in solving the water needs of the people.

a. In Rajasthan, rainwater harvesting is practised by using covered underground tanks called Tanka. It helps save time and energy of the people, especially of women, which otherwise get wasted in fetching water.

b. In Tamil Nadu, rainwater harvesting has been made mandatory in cities. It has reduced the pressure of providing water for daily use on government authorities.

c. Many villages like Hiware–Bazar in Maharashtra carried out rainwater harvesting along with watershed management. It has helped in increasing agricultural productivity.