What are the major water resources?

Major water resources in India are surface water resources like rivers, lakes, ponds and tanks, and groundwater. The mean annual flow in all the river basins in India is estimated to be 1,869 cubic km. The total replenishable groundwater resources in the country are about 432 cubic km. The level of groundwater utilisation is relatively high in the river basins lying in the north-western region and parts of south India

Further Reading:

• Water – A Resource
• Water Scarcity