INDIAN GEOGRAPHY

Detailed explanation-1: -Tank irrigation is found more popularly in rocky plateau areas of the country especially in the plateau region of Southern India. The states in which they are practised mainly are Andhra Pradesh and Tamil Nadu. Andhra Pradesh has the largest number of tank irrigation.

Detailed explanation-2: -Tanks are widely used in peninsular plateau because the undulating surface forms natural depressions and the streams and rivers there have water only during rains.

Detailed explanation-3: -Tank water harvesting and irrigation offer a host of benefits such as replenishing groundwater levels, providing drinking water for rural communities and livestock, conserving top-soil and harbouring fish.

Detailed explanation-4: -In the peninsular plateau, where the states of Andhra Pradesh and Tamil Nadu are located, the practice of Tank irrigation is popular. 727 thousand hectares of land are irrigated by tanks in the state of Andhra Pradesh. The state has over 28 percent of areas irrigated by tanks.