Yagnesh Mehta | TNN

The diamond city has stumbled and fallen from second place and has been ranked the third cleanest city of the country for 2009-10 with 69 points. Union ministry of urban development, as part of national urban sanitation policy, has been selecting top 25 cleanest cities. Chandigarh has topped with 73.4 points and Mysore is second with 70.6 points.