Number of opioid consumers in India by type 2017-2018
According to a survey on substance use in India, there were over six million users of heroin across the country during 2017 and 2018. The north-eastern states along with Punjab, Haryana and Delhi were the most problematic in terms of the number of people dependent on substances. Overall, alcohol was found to be the most common psychoactive substance used by Indians, followed by cannabis and opioids.