- Farmers upbeat as Doba, a new technology, will enable rainwater harvesting Ranchi, June 29: The rain god is smiling and so are the farmers. They have to worry less about irrigation now as monsoon has finally hit the state. And using a new technology this time round to store rainwater, farmers can look forward to better summers ahead. The Indian Council of Agricultural Research (ICAR) and Research Complex for Eastern Region (ICAR-RCER), Ranchi, is testing a low cost technology