India's 'lake man' cleans up critical water supplies
New Indian ExpressBENGALURU: Ancient lake systems once provided Bengaluru with critical water supplies, but the Indian tech hub's breakneck expansion left many waterways covered over or used as dumps. But after experts warned the city of nearly 12 million -- today dubbed "India's Silicon Valley" -- would not be able to meet its water needs with existing resources, mechanical engineer Anand Malligavad decided to take action. Water shortages are a chronic problem in India, which has nearly a fifth of the world's population but only four percent of its water resources, according to government think tank NITI Aayog. 'Simple cost' He began by studying the skills used during the centuries-long rule of the medieval Chola dynasty, who turned low-lying areas into shallow reservoirs that provided water for drinking and irrigation.