Car insurance in India is really two separate calculations bundled into a single premium. One portion stays fixed no matter which insurer you pick, while the other shifts depending on your car, your city, and your driving history.
That second part is your own damage premium, and it works in a completely different way from the mandatory third-party portion. Each insurer calculates it using your car’s value, age, location, and claim history.
This article breaks down exactly what goes into that calculation and why it can vary so much between insurers.
Table of Contents
What Does Own Damage Cover Actually Mean?
Own damage cover pays for repairs or replacement of your own car only. It covers accidental damage, fire, theft, and losses from natural events like floods or storms. It also includes man-made events such as riots or vandalism. It differs from third party cover, which only pays for damage or injury you cause to someone else.
A typical comprehensive insurance policy for car owners bought in India includes both sections in a single document. However, each one is priced independently underneath. Most individuals never notice this difference until they compare two quotes.
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Why Own Damage Premium Is Calculated Separately from Third Party
Third party premium rates are fixed by the regulator and stay identical across every insurer for a given vehicle category. Own damage pricing works completely differently, since insurers were allowed to set their own rates for this portion back in 2007. That is why two insurers can quote very different premiums for the exact same car, even though the third party portion of both quotes stays identical. The gap you notice in a quote almost always comes from how each insurer prices the own damage section on its own. This is also why shopping around genuinely matters, since the fixed portion of your premium will never change no matter who you buy from.
The Core Factors Behind Your Own Damage Premium
A handful of variables drive this calculation, and different insurers weigh them slightly differently.
- The car’s Insured Declared Value, or IDV, which sets the maximum possible payout.
- The car’s engine capacity and fuel type.
- The city or zone where the car is registered and mostly driven.
- The car’s age and how much depreciation has accumulated.
- Your claim history and current No Claim Bonus standing.
- Any add-on covers selected, such as zero depreciation or engine protection.
How Insured Declared Value Shapes the Calculation
IDV is the single biggest driver of your own damage premium, since the entire calculation is built as a percentage of this figure. It starts from the car’s ex-showroom price and reduces it using a standard depreciation schedule set by the regulator. A car under six months old carries just 5% depreciation, rising to 15% by the one-year mark, then 20, 30, 40, and 50% at each following year up to five years. Beyond five years, the insurer and owner agree on the figure directly. A higher IDV means a higher premium, but also a larger payout if the car is ever declared a total loss. Setting it too low just to save on premium can leave you badly short-changed if your car is stolen or written off.
Discounts and Deductibles That Lower the Premium
Several factors work in the opposite direction, bringing your own damage premium down from the base figure.
- No claim bonus, which can reduce this portion by up to 50% over five claim-free years.
- A voluntary deductible, where you agree to pay a fixed amount toward any claim yourself.
- Discounts for approved anti-theft devices fitted to the car.
- Discounts for recognised automobile association memberships.
Every insurer also applies a compulsory deductible based on engine size before any of these voluntary discounts even come into play.
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What Is a Standalone Own Damage Policy?
Since September 2019, Indian regulations allow car owners to buy own damage cover separately from third party cover, rather than only as part of a bundled comprehensive plan. This option, known as standalone own damage car insurance, suits owners who already hold a long-term third party policy from one insurer but want to shop separately for own damage pricing elsewhere. You need an active third party policy in place before any insurer will issue this standalone cover alongside it.
Who Should Consider Buying Own Damage Cover on Its Own?
This option makes the most sense for owners who bought a car with a mandatory multi-year third party policy and now want to compare own damage pricing independently at each annual renewal. It also suits anyone unhappy with their original insurer’s own damage rates but not looking to disturb their existing third party term. Since own damage pricing varies so much between companies, splitting the two covers can sometimes work out noticeably cheaper than staying bundled together.
A Simple Way to Estimate Your Own Damage Premium
Before committing to any insurer, run your car’s details through an online calculator. Change the IDV, look at the NCB you can get, and try deductible amounts to find out the rough idea of what your own damage premium might be. This approach is far more useful than comparing headline premiums alone. In most cases, even two similar quotes can hide very different assumptions underneath.
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Final Thoughts
Own damage premium is calculated on its own terms. It considers your car’s value, age, location, and history, instead of a fixed government rate. Learn every factor, including IDV, depreciation, discounts, and deductibles, to easily ensure whether a quote is really competitive.
The next time you compare policies, look past the total figure. Check how each insurer actually built that own-damage number.
Yasmeen is a business and digital content writer at InBusinessWorld with more than five years of experience creating informative, practical and reader-focused content. She covers business, finance, marketing, technology and digital trends, helping readers understand important developments, strategies and ideas across the modern business landscape.
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Sameena is a content reviewer and editorial specialist at InBusinessWorld with more than five years of experience reviewing digital content. She reviews business, finance, marketing, technology and related editorial content with a focus on clarity, accuracy, readability, logical structure and overall content quality.
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