Swachh Survekshan (Cleanliness survey) is an annual survey of cleanliness, hygiene and sanitation in cities and towns across India. It was launched as part of the Swachh Bharat Abhiyan, which aimed to make India clean and free of open defecation by 2 October 2019. The first survey was undertaken in 2016 and covered 73 cities (53 cities with a population of over a million, and all state capitals); by 2020 the survey had grown to cover 4242 cities and was said to be the largest cleanliness survey in the world. The surveys are carried out by Quality Council of India
The survey is carried out by the Quality Council of India, which in 2020 covered 4242 cities and towns, In include 5 Lakhs+ ULB Document Evidence captured,24 Lakhs+ Geotagged Photos captured from field and feedback from 1.9 crore people.
Survey in 2020 was weighted on 6000 points. The criteria and weightages for different components of sanitation related aspects used for the survey were: