A departmental working paper by the World Bank on the progress of the Swachh Bharat Mission - Gramin (SBM-G) released recently.
It has now gains made by the programme to bring toilet access to rural India since 2014-15, when it began, there has been a clear trend of regular toilet use declining in rural India from 2018-19 onwards.
The largest drop being seen among Scheduled Caste and Scheduled Tribe socio-economic groups.
The paper found that as the programme started, it led to a substantial increase in access to own or shared improved toilets in rural India.
It was dropped from 38% in 2012 to 90% in 2019-20.
It was the sharpest increase reported in the last two years of this time period.
The first phase of 2015-2019 was marked by large improvements.
It was followed by some stagnation and decline over the last two years.
That reported toilet use going up from 7% to 43% in between 2015-16 and 2019-21.
A large increase in toilet use was seen in the poorest 20% of the rural population.
It added that similar large increases were reported in all quintiles save for the richest 20%.
The States where there has been a sustained decline in regular use of toilets since 2018 were Uttar Pradesh, Gujarat, Chhattisgarh, Telangana, Karnataka, and Himachal Pradesh.
Seven other States like Jharkhand, Madhya Pradesh, Tamil Nadu, Rajasthan, Andhra Pradesh, Maharashtra, and West Bengal have been seeing an uneven decline in toilet use since 2018.
Seven other States - Odisha, Punjab, Kerala, Bihar, Uttarakhand, Haryana, and Assam - were found to be steady performers in terms of continued toilet usage.