The Motor Vehicles Act, 1988
§186 — Driving when mentally or physically unfit to drive
Whoever drives a motor vehicle in any public place when he is to his knowledge suffering from any disease or disability calculated to cause his driving of the vehicle to be a source of danger to the public, shall be punishable for the first offence with fine which may extend to [one thousand rupees] and for a second or subsequent offence with fine which may extend to [two thousand rupees].