One of the most effective interventions in tobacco control is the implementation of Tobacco Control Law, COTPA 2003 in India. It is a cost effective measure to reduce tobacco use when implemented in the right spirit. This project is a research study to evaluate the impact of tobacco control policy implementation and tobacco use in India that was initiated in a cohort of 2,600 individuals with its Wave 1 in 2009, Wave 2 in 2012 and currently Wave 3 in 2018.

This is a multi centric project being conducted simultaneously in Mumbai, Patna, Indore and Kolkata in partnership with the University of Waterloo, Canada.

Target population: A cohort of 2,600 tobacco users and non-users in specified Kolkata Municipal Corporation area and North 24 Parganas.