Is Third-Party Car Insurance Enough, or Do You Need Comprehensive?

If you are asking whether third-party insurance is enough, you are probably looking at a renewal price and thinking you could save a few thousand rupees. That is a fair thought. For some cars it is exactly the right decision. For others it is a gamble that can cost you the whole car.

So before I explain the difference, ask yourself one honest question: if your car were stolen tomorrow, or wrecked in an accident that was your fault, could you replace or repair it from your savings without it hurting? If the answer is yes, third-party-only cover may be enough for you. If the answer is no, keep reading carefully.

What does third-party insurance cover?

Only the damage you cause to other people:

• Injury or death of another person, including pedestrians and passengers in other vehicles.
• Damage to someone else's vehicle or property.

That's it. If your own car is damaged, stolen or burnt, third-party cover pays nothing. It exists to protect other people from you, which is why the law makes it compulsory.

What does comprehensive insurance add?

A comprehensive policy is third-party cover plus own-damage cover in one policy. Own damage pays for:

• Accident damage to your car, even when it was your fault.
• Theft of the car.
• Fire, explosion and lightning.
• Floods, cyclones, earthquakes and landslides.
• Riots, strikes and malicious damage.
• Damage while the car is being transported by road, rail or ship.

It also lets you buy add-ons like zero depreciation, engine protection and roadside assistance. Those are not available on a third-party-only policy.

Is third-party insurance legally enough?

Yes. Under the Motor Vehicles Act, every car on a public road must have at least third-party cover. Driving without it can mean a fine of ₹2,000 for the first offence and ₹4,000 after that, with possible imprisonment. Own-damage cover is your choice.

How much does third-party insurance cost?

The premium is fixed by the government, so it is the same at every insurer:

GST of 18% is added to these. Electric cars have lower slabs based on motor power. You can see your exact figure in the third-party premium calculator.

When is third-party-only cover a sensible choice?

From what I've seen, it works when most of these are true:

• The car is old, usually more than seven or eight years.
• Its market value is low, roughly under ₹1.5 to 2 lakh.
• You could pay for a repair or a replacement from savings without stress.
• The car is driven rarely and parked safely, like in a covered society parking.

In that situation, an own-damage premium of ₹4,000 to ₹6,000 a year buys cover that, after depreciation and deductibles, may pay out very little. You are often better off putting that money aside yourself.

When is third-party-only a bad idea?

• The car is less than about seven years old, or worth more than ₹3 lakh.
• There is a loan on it. Lenders require comprehensive cover until the loan is closed.
• You park on the street, or live in a flood-prone city or a high-theft area.
• Losing the car would hurt your finances. Even a moderate accident can mean ₹50,000 to several lakhs in repairs.

For a newer car, skipping own damage to save a few thousand rupees is a false economy.

What is standalone own-damage insurance?

Since September 2019, you can buy own-damage cover as a separate policy if you already have valid third-party cover. This is common with new cars. A new car must be sold with three years of third-party cover, but own damage is often bought for one year at a time. When the first year ends, you renew only the own-damage part, and you can choose any insurer for it.

When buying standalone own damage, make sure your third-party policy is still valid. The insurer will ask for its details.

Do I lose my NCB if I switch to third-party only?

NCB only applies to the own-damage premium, so on a third-party-only policy there is nothing to discount and you don't earn it. If you go back to comprehensive cover within a reasonable time, your old NCB may still be usable with your previous policy as proof. Many insurers allow up to three years, but check before you drop own damage.

Does third-party cover pay for my own injuries?

No. Your own injuries are covered by the owner-driver personal accident cover, a separate ₹15 lakh cover that is compulsory with any motor policy, unless you already hold a personal accident policy of at least that amount. It pays for death or permanent disability of the owner-driver in an accident involving the car.

What happens if I cause an accident with third-party cover only?

Your insurer handles the claim by the injured person or the owner of the damaged property. Claims for injury and death go to the Motor Accident Claims Tribunal. You should report the accident to your insurer and the police straight away. You pay for your own car's repairs yourself.

Is there an upper limit on third-party cover?

For death and bodily injury caused to others, the insurer's liability under the policy is unlimited. For damage to third-party property, private car policies have a limit, set in the policy schedule. Check your schedule for the exact figure.

Does third-party cover protect passengers in my own car?

Not the way most people assume. Third-party cover is for people outside your vehicle, and the owner-driver PA cover is only for you. Passengers travelling in your car are covered only by a separate unnamed passenger PA cover, which is a small optional add-on, or by their own insurance. If you often drive family or friends, it's worth a look.

Can I switch from third-party only to comprehensive in the middle of the year?

You can buy a standalone own-damage policy at any time while your third-party policy is valid. Because the car hasn't had own-damage cover, the insurer will usually inspect it first, sometimes by video, to record any existing damage. Don't be surprised if old scratches are noted as excluded.

Is a cheaper premium the only reason to choose third-party?

It shouldn't be. The only good reason is that the car is worth so little that own-damage cover no longer makes sense for you. If you're choosing third-party only because money is tight this year, remember that one accident without own-damage cover can cost far more than the premium you saved. In that case, keep comprehensive and cut costs elsewhere: drop unneeded add-ons, compare quotes, and protect your NCB.

Does comprehensive cover pay if my car is damaged while parked?

Yes. Own-damage cover doesn't depend on whether you were driving. Damage from a hit-and-run while parked, a falling tree, a flood in your basement parking or vandalism is covered, subject to the usual depreciation and deductible. With third-party cover only, all of it is your own cost. For cars parked on the street every night, this alone is a strong reason to keep own-damage cover.

How do I decide in five minutes?

1. Find your car's current market value from a used-car site.
2. Look at the own-damage premium on your renewal quote.
3. If the own-damage premium is more than about 5% of the car's value every year, and you could afford to lose the car, third-party only is reasonable.
4. If not, keep comprehensive cover, and use the premium calculator to check you are not overpaying for it.