Groundwater Reserves, Over-exploitation, and Depletion Dynamics

“The ideal solution of depleting ground water resources in India is water Urban Water harvesting system.” How can it be made effective in urban areas?

The groundwater potential of the gangetic valley is on a serious decline. How may it affect the food security of India?

What is water-use efficiency? Describe the role of micro-irrigation in increasing the water-use efficiency.

Examine the factors responsible for depleting groundwater in India. What are the steps taken by the government to mitigate such depletion of groundwater?

The world is facing an acute shortage of clean and safe freshwater. What are the alternative technologies which can solve this crisis? Briefly discuss any three such technologies citing their key merits and demerits.