Centuries-old wells restored to provide drinking water as parts of the country head towards “day zero” when no water will be availableA loud cheer and sounds of clapping reverberated around Bansilalpet, a neighbourhood in Hyderabad, when the first trickle of clean water dribbled out of the ground. After an 18-month effort to clear out 3,000 tonnes of rubbish and restore the stone walls and adjacent area, the 17th-century Bansilalpet stepwell had become a source of clean drinking water for the fi...