BJP president Amit Shah on Monday said that five more years are required to clean river Ganga from 70 years of Congress' "pollution.""When our government came to power in 2014, we promised to clean the Ganga. We have done so in the last five years. We have to remove 70 years of Congress' pollution as well. If you elect us for another five years, then I assure you that the entire river will be fully cleaned," he said at an election rally here.It is interesting to mention here that the Central government's flagship programme -- Namami Gange or Clean Ganga Mission - was felicitated with the coveted 'Public Water Agency of the Year' award at the Global Water Summit in London on April 9.The Namami Gange programme is an integrated mission for Ganga rejuvenation. It has a comprehensive multi-sectoral intervention with multi-stakeholder involvement and adopts a basin based approach which includes Ganga and its tributaries.The mission aims at providing comprehensive and sustainable solutions ..