Manian ji, Chandigarh was found to be the cleanest city in the country with a score of 144 points way ahead of the other cities polled by AC Nielsen ORG-MARG. The survey, conducted by A.C. Nielsen ORG MARG, took into account the opinion of citizens on cleanliness in their cities. The ratings were based on eleven cleanliness parameters like cleanliness of roads, involvement of municipal bodies and garbage disposal systems. The cleanliness Index was derived where the all-city average was set at 100.