Union Minister for Water Resources, River Development and Ganga Rejuvenation Sushri Uma Bharti has said that inter-linking of river will raise the irrigation capacity of the country by 90 percent. Inaugurating the national conference on issues for optimal use of water resources called Jal Manthan here today, the Minister said that there is no shortage of water in our country. She said excess rain water in our country flows in to seas through rivers. We need to conserve this water by inter-linking the rivers.