The survey was carried out by the Quality Council of India, which had deployed 421 assessors for on the spot assessment of 17,500 locations in 434 cities and towns. Another 55 people regularly monitored the survey process in real time. The criteria and weightages for different components of sanitation related aspects used for the survey were: a) Solid waste management including door-to-door collection, processing, and disposal, ODF (open defecation free) status etc. These carried 45 per cent of the total 2,000 marks. b) Citizen feedback – 30 per cent. c) Independent observation – 25 per cent.
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