Driving when mentally or phycically 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 1[one thousand rupees] and for a second or subsequent offence with fine which may extend to 2[two thousand rupees].