Yes the crisis will come wthin 5 yeras .Thwe solution 1. emediately work on joining all the rivers through channeling ,the idea mooted some 50 years ago by one of the noted scientist Rao . Again recently the idia was mooted by non other than our beloved ex PM Atal Behari Bajpai 2. Rain water harvesting .It just cost below 1 lakh Rs for a large society for continuos potable water .Minimum maintenance ,low cost 3. Regulatery authority for water management in all states abboral@gmail.com