Having constructed more than 6 lakh individual household toilets and over 500 school toilets, the founder of Gramalaya in Tiruchirappalli District of Tamil Nadu is a swachhata champion in the truest sense, a distinction for which he was honoured with a Padma Shri in 2022.  In this interview S. Damodaran talks about comprehensive interventions that are needed for ODF sustainability and the importance of community participation to bring about lasting change.