Water crisis in India
NITI Aayog in India (the new avatar of Planning commission) predicted in 2018 that 21 major Indian cities would run out of groundwater as early as 2020; and more than 600 million people living in the states with lower water management would be impacted. The best validation of this prediction is that a big city like Chennai ran out of its entire ground water table in 2019. So the need of the hour is