A study conducted by Public Health England indicates that the risk of passive smoking associated with e-cigarettes is very low, as there is no combustible tobacco.
For India, the key focus should be on scientific harm reduction strategies and further explore cutting-edge technology with policymakers across the world.
Only 3 per cent of 15 year olds in England now smoke, official figures show. For comparison, a quarter did so in 1982. Rates fell quickest in the early noughties.