Your IDV decreases as the car ages, your No Claim Bonus increases if you stayed claim-free, and your premium is recalculated based on both. Add-on relevance can also shift as the car gets older.
At every car insurance renewal in India, three things change automatically - your car's Insured Declared Value (IDV) goes down as the car ages, your No Claim Bonus (NCB) goes up if you stayed claim-free, and your premium is recalculated based on both. What doesn't change is your policy type, the mandatory third-party cover, and the basic terms of your existing add-ons, unless you actively choose to modify them.
Most car owners treat renewal as a formality - the reminder arrives, they pay, and move on. But the numbers behind that renewal notice shift every single year, and not reviewing them is how people end up either overpaying or, worse, carrying cover that no longer matches their car's actual value. Here's exactly what changes, what stays fixed, and what to check before you click renew.
Three components of your policy are recalculated at each renewal cycle, and understanding each one is the difference between renewing on autopilot and renewing with a clear picture of what you're paying for.
Add-ons can also need revisiting at renewal - zero depreciation cover, for instance, is usually only offered or worthwhile up to a certain vehicle age, so a cover that made sense at purchase may no longer apply by year four or five.
This distinction matters because it tells you where your attention is actually needed each year - the moving parts, not the fixed ones.
IDV is your car's insured value, and it directly caps what you'd receive in a total loss or theft claim. Under IRDAI's depreciation schedule, IDV drops by a set percentage each year for the first five years, after which it's set by mutual agreement between you and the insurer.
| Car Age | Depreciation on IDV |
|---|---|
| Up to 6 months | 5% |
| 6 months - 1 year | 15% |
| 1 - 2 years | 20% |
| 2 - 3 years | 30% |
| 3 - 4 years | 40% |
| 4 - 5 years | 50% |
A lower IDV at each renewal is expected and reduces your premium accordingly. Some owners are tempted to set IDV even lower than the standard depreciation to shrink the premium further, but this directly reduces your payout if the car is stolen or written off - it's worth keeping IDV close to the insurer's calculated figure rather than negotiating it down purely for a cheaper renewal.
NCB is the reward for a claim-free policy year, applied only to the own-damage portion of your premium. It rises in fixed slabs and resets to zero the moment you file even one own-damage claim, unless you're carrying an NCB protection add-on.
| Claim-Free Years | NCB Discount |
|---|---|
| 1 year | 20% |
| 2 years | 25% |
| 3 years | 35% |
| 4 years | 45% |
| 5 years | 50% |
NCB is tied to you as the policyholder, not to the car or the insurer, so it carries over even if you switch insurers or buy a new vehicle - as long as you have the NCB certificate from your previous insurer. The one condition that resets it: letting the policy lapse beyond the renewal grace period.
Insurers typically allow a grace window of up to 90 days after policy expiry to renew without losing continuity, but this isn't a free pass - driving with an expired policy during that window is still illegal under the Motor Vehicles Act.
Setting a reminder two to three weeks before expiry is the simplest way to avoid all three outcomes.
Renewal is the one point in the year where switching insurers costs you nothing beyond the effort of comparing quotes - your NCB transfers, and there's no penalty for moving.
A few minutes spent on these checks before paying can catch the gaps that a renewal notice alone won't show you.
Your IDV decreases as the car ages, your No Claim Bonus increases if you stayed claim-free, and your premium is recalculated based on both. Add-on relevance can also shift as the car gets older.
Yes. NCB is linked to you as the policyholder, not the insurer or the car, and transfers as long as you provide the NCB certificate from your previous insurer at renewal.
You get a grace period of up to 90 days, but driving with an expired policy is illegal during that time. Beyond 90 days, you lose your accumulated NCB and may need a vehicle inspection before a new policy is issued.
You can, but it directly reduces your payout if the car is stolen or declared a total loss. It's best kept close to the insurer's calculated depreciated value rather than negotiated down purely to save on premium.
Neither is automatically better. Compare your renewal quote against two or three other insurers each year, and switch only if the difference in premium, network, or service is meaningful for your situation.

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