Seat belt alarm will be mandatory in M and N category vehicles, and vehicles will have audio-video warning if seat belts are not worn, as per the government's draft notification.
The move comes amid a growing road-safety push in India, the world's fourth-largest car market.
Nitin Gadkari, minister for road transport and highways, has announced that a penalty will be levied on passengers not wearing seat belts in the rear seats in cars. We take a look at the history of seat belts, why wearing them is important and countries where it is mandatory.
The move comes after the recent death of business tycoon Cyrus Mistry in a tragic car accident on this way to Mumbai.