<font class="UCASE">to revive</font> the failing water system in Guwahati, the Assam government will spend Rs 1,000 crore on the water and sewerage systems in the state capital and plans to revamp the city's riverfront too.<br><br> With work on the project to start in the next six months, the state government will soon invite quotations for a Rs 800-crore drainage-cum-sewerage scheme, for which it has already received a grant from the Central government, said the Guwahati development department minister Himanta Biswa Sarma.<br>