Manufacturers of e-cigarettes will be able to submit products for approval in the same way as other medicines available on the NHS.
Scientists found that current and former e-cigarette users were 1.3 times more likely to develop chronic lung disease, while tobacco smokers increased their risk by a factor of 2.6.
India has 106 million adult smokers, second only to China in the world, making it a lucrative market for companies producing vaping products.
The study found that under most plausible scenarios, e-cigarettes and other vapour products have a generally positive public health impact.
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