TOKYO -- India's northern state of Punjab, bordering Pakistan, is known as the country's breadbasket, thanks to its abundant groundwater, which flows down from the Himalayas.
Nikkei Asia Prizes
Indian researcher opens taps on cheap drinking water
Thalappil Pradeep wins Nikkei Asia Prize for purification technology
Thalappil Pradeep, a professor at the Indian Institute of Technology Madras, developed a water purification system that works without expensive filtration membranes or electricity.
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