As per the Global Adult Tobacco Survey 2016-2017 in India, 28.6% of all adults (15 and above) are tobacco users (National Health Mission, n.d.).

References:

National Health Mission (n.d.). Global Adult Tobacco Survey 2 Highlights India 2016-2017. Government of India. Available from: https://nhm.gov.in/NTCP/Surveys-Reports-Publications/GATS-2-Highlights-(National-level).pdf