The life-sustaining oasis in the region owes a lot to Jethu Singh Bhati, a 36-year-old agriculturist, better known as an eco-volunteer and the general secretary of an NGO, the Thar Integrated Social Development Society (TISDS). Convinced that "the comfort of piped water supply has spoilt people and bred wasteful water habits," Bhati, a postgraduate in sociology, is reviving long-forgotten rainwater-harvesting systems and developing a drought-proof model for Jaisalmer district.