Does my No Claim Bonus transfer if I change my insurance company?

Yes, NCB belongs to you. You can easily transfer it to a new insurer by providing your previous policy details during renewal.

What happens to my NCB if I sell my car but don't buy a new one immediately?

Get an NCB Reserving Letter from your insurer. It stays valid for 3 years, allowing you to use the discount on a future car.

Can I lose my NCB if I forget to renew my policy for a few months?

You have a 90-day grace period. If you renew after 90 days of expiry, your accumulated NCB will reset to zero percent.

Does a Zero Depreciation add-on protect my No Claim Bonus?

No. Zero Dep only covers part depreciation. To save your bonus after a claim, you specifically need an NCB Protector add-on cover.

Is NCB applicable on the total premium including GST?

No. NCB only applies to the Own Damage (OD) component. It does not reduce the Third-Party premium or the 18% GST on motor insurance.

Do health insurance bonuses work like car insurance NCB?

Somewhat. Health insurance usually increases your cover (Sum Insured) rather than giving a cash discount, but a claim can reset it entirely.

The No-Claim Bonus Trap: Don't Lose Your 50% Discount

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The No-Claim Bonus Trap: What Insurers Don't Tell You

Think that 50% discount is a gift? It might be costing you more than you think in hidden premium math and lost bonuses.

4 min read

OneAssure Team

March 30, 2026

Need advice tailored to you?

Looking for the right plan? You don't have to guess. Let us compare the fine print for you and give you an unbiased recommendation.

Need advice tailored to you?

Looking for the right plan? You don't have to guess. Let us compare the fine print for you and give you an unbiased recommendation.

You are driving through a narrow lane in Indiranagar. Suddenly, a delivery bike scrapes your car door. It is a nasty scratch. Your first instinct is to call your insurer. Stop right there. That ₹4,000 repair job could cost you ₹15,000 in the long run. Most Indian car owners fall into the No-Claim Bonus (NCB) trap because they do not do the math before calling the surveyor.

The OD Math: Why 50% is Not Really 50%

Insurers love shouting about a 50% NCB discount. It sounds like a massive half-off sale. It is not. Your car insurance bill has two main parts: Third-Party (TP) premium and Own Damage (OD) premium. The TP part is mandatory by law and fixed by the IRDAI. The NCB discount applies only to the OD premium. If your total premium is ₹20,000, the TP part might be ₹8,000. Your 50% discount only works on the remaining ₹12,000. You save ₹6,000, not ₹10,000. Always look at the OD component before getting excited about your bonus level.

The Minor Repair Dilemma

Imagine your car needs a bumper replacement costing ₹5,000. You have a 45% NCB accumulated over four claim-free years. If you claim that ₹5,000 now, your NCB resets to zero next year. Let us say your next year's OD premium is ₹18,000. With your 45% bonus, you would have paid only ₹9,900. Without it, you pay the full ₹18,000. You basically spent ₹8,100 to save ₹5,000. You lost money by claiming. If the repair cost is lower than the discount you stand to lose, pay for it out of your own pocket. Use the 50% cap as a signal to shop around for better comprehensive coverage if your current insurer is getting too expensive.

The Health Insurance Bonus Reset

Health insurance works differently but carries a bigger risk. Most plans offer a 'Cumulative Bonus' where your Sum Insured increases by 10% to 50% every claim-free year. This sounds great until you make a small claim for a minor surgery. In many traditional plans, one single claim can wipe out five years of accumulated bonus instantly. Your ₹10 lakh cover could drop back to ₹5 lakh overnight. Check if your insurer offers a 'guaranteed' bonus that only reduces in steps rather than vanishing completely. Since individual health insurance is now 0% GST as of September 2025, the base cost is lower, making it a good time to switch to plans with better bonus protection.

NCB Protector vs Zero Depreciation

Many young earners confuse these two. They are worlds apart. Zero Depreciation ensures the insurer pays for plastic and fiber parts during a claim. It does not protect your bonus. If you claim with Zero Dep, you get your repair money, but your NCB still resets to zero. You need an 'NCB Protector' add-on to keep your discount alive after a claim. This add-on usually costs less than the potential hike in your next premium. If you are a safe driver with a 35% or 50% bonus, this add-on is a no-brainer. OneAssure can help you compare which insurers offer the most flexible protector clauses for your specific car model.

Don't Leave Your Bonus Behind

Selling your car? Do not give away your NCB. The bonus belongs to you, the driver, not the vehicle. When you sell your old car, ask your insurer for an NCB Reserving Letter. This document is valid for three years. When you buy your next car, show this letter to get an immediate 20% to 50% discount on the first-year premium of the new vehicle. This can save you tens of thousands on a new SUV. Also, remember the 90-day rule. If you do not renew your policy within 90 days of its expiry, your hard-earned bonus resets to zero. No exceptions. No excuses.

The Glass Claim Secret

Did a stone chip your windshield? Some insurers allow a one-time 'Glass Only' claim. This means they pay for the windshield replacement without killing your entire accumulated NCB. Most people do not know this and pay for expensive glass out of pocket. Always verify this clause in your policy wordings before deciding to pay or claim. Being smart about these small details is what separates a savvy policyholder from someone who just pays premiums blindly.