India, Dec. 29 -- Do you know that nearly 600 million Indians endure high to extreme water scarcity, and over 21 cities such as Delhi, Bengaluru, and Chennai could run out of groundwater by 2030? These sobering numbers from NITI Aayog's 2019 "Composite Water Management Index report long cautioned that India's per capita water availability is currently around 1,100 cubic meters which is significantly below the water stress threshold of 1,700 cubic meters. In fact, this is close to the water scarcity threshold of 1,000 cubic meters per person. By 2030, India's water demand is estimated to twice the available supply implying severe scarcity and stress.

This stark disparity makes India one of the most water-stressed countries. Moreover, with...