Conceptual · Article 7.3.2

Private Car Insurance.

Two Policies in One — the Legal Minimum, and the Cover That Actually Protects Your Car.

Published as on 22 July 2026

A private car policy bundles two legally distinct products. Third-party liability, made compulsory by the Motor Vehicles Act 1988, pays for the injury and damage you cause to others — and nothing for your own car. Own-damage cover, optional in law but essential in practice, is the only part that pays when your car is stolen, burnt or written off. A separate ₹15 lakh personal-accident policy for the owner-driver is also mandatory. Between these sit the numbers that decide everything: IDV, the depreciated value that caps a total-loss payout and falls every year; the No-Claim Bonus, worth up to a 50% discount for careful driving; and a short list of add-ons that determine whether a claim leaves you whole or short by lakhs. Every premium carries 18% GST — and for a personal car, none of it is tax-deductible.

Mandatory

Third-Party Cover

₹15 Lakh

Owner PA Cover

Up to 50%

No-Claim Bonus

18% GST

On Every Premium

Executive Summary · Page 2

Executive Summary · 6 Findings

Most car owners do one of two things — buy the mandatory minimum, or renew last year's policy on autopilot. Both leave real money exposed. Private car insurance is not one product but a stack: a compulsory third-party layer that satisfies the law, a mandatory personal-accident policy for the driver, and an optional own-damage layer that is the only thing standing between you and the full loss of the car. Getting it right is less about premium and more about three levers — the value you declare, the bonus you protect, and the two or three add-ons that actually earn their keep.

Covers the three components of a car policy and why each exists; the long-term three-year third-party structure for new cars; how IDV sets and depreciates the total-loss ceiling; the No-Claim Bonus and the arithmetic of not claiming; the add-ons worth paying for — return-to-invoice, zero-depreciation, engine protect; the 18% GST and why a personal-car premium is not tax-deductible; the five mistakes that create needless exposure; and six questions Indian car owners ask.

Key Findings

One policy, three distinct covers.

A car policy stacks three legally separate parts: third-party liability (mandatory), a standalone ₹15 lakh personal-accident cover for the owner-driver (mandatory), and own-damage cover for the car itself (optional). Only a comprehensive policy — TP plus OD — actually protects the vehicle. Buying TP alone meets the law and nothing more.

Third-party is the law; own-damage is the protection.

TP cover is compulsory under the Motor Vehicles Act 1988, its premium fixed by IRDAI and identical across insurers. It pays only for harm to others. OD cover — accidents, theft, fire, floods, riots — is the part that pays for your own car. Without it, a stolen or totalled car is a complete uninsured loss.

New cars carry three-year third-party cover.

Since a 2018 Supreme Court directive, every new private car must buy a three-year TP policy upfront; OD is taken annually. A common trap follows: in years two and three, only the OD needs renewing. Miss it and you are still TP-insured — legal — but entirely without cover for damage to your own car.

IDV caps your total-loss claim — and falls every year.

Insured Declared Value is the depreciated market value and the maximum payable on a theft or write-off. It drops from 5% off in the first six months to 50% by year five. Accept a deflated IDV to shave the premium and you quietly self-insure the gap. For any car under five years old, set IDV to the formula value.

The No-Claim Bonus rewards not claiming — up to 50%.

Each claim-free year lifts the discount on your OD premium, from 20% after one year to 50% after five. Any claim resets it to zero. On a ₹12,000 OD premium a 50% NCB is worth ₹6,000 a year — so filing a small ₹8,000–₹15,000 repair claim can cost more, over time, than paying out of pocket.

Add-ons matter more than price — and it isn't tax-deductible.

Return-to-invoice, zero-depreciation and engine protect decide whether a claim leaves you whole. All premiums carry 18% GST. And for a personal car there is no Section 80C or 80D relief — the premium is deductible only when the car is used for business.

At A Glance

Element	Value	Detail
Third-party	Mandatory	MV Act 1988
Own damage	Optional	Essential in practice
Owner PA cover	₹15 lakh	Standalone, ~₹750/yr
New-car TP	3-year	OD taken yearly
IDV	Total-loss ceiling	Depreciates yearly
No-Claim Bonus	Up to 50%	On OD premium
Tax	Not deductible	Personal car; 18% GST
Best structure	Comprehensive	TP + OD + add-ons

Exhibit 01: How IDV Falls — the Total-Loss Ceiling

Vehicle Age	Depreciation	IDV on ₹12L
Under 6 months	5%	₹11.40L
6 mo – 1 year	15%	₹10.20L
2 – 3 years	30%	₹8.40L
4 – 5 years	50%	₹6.00L

*Illustrative, on a ₹12 lakh ex-showroom car using the standard IDV depreciation schedule. By year five the total-loss payout ceiling has halved to ₹6 lakh — the widening gap versus the original on-road price is exactly what the Return-to-Invoice add-on is built to close in a new car's first three years.

The Opening · Page 3

The Opening

The word "insured" hides a fault line that catches out most car owners. When someone says their car is insured, they usually mean the sticker on the windscreen and the certificate in the glovebox — the third-party cover the law demands. That certificate does one job: it protects other people from you. It pays for the pedestrian you injure, the car you dent, the property you damage. It pays not one rupee toward your own car. A car flooded, stolen or written off under a third-party-only policy is a total, uninsured loss — and the owner often discovers the distinction only at the moment it matters.

"The cheapest car policy on the market is legal to drive with and useless to be in an accident with. Third-party cover protects everyone except the person who paid for it."
The Two Halves of a Motor Policy

What comprehensive really adds. A comprehensive policy stitches the mandatory third-party layer to an own-damage layer that pays for the car itself — collision, fire, theft, floods, storms, riots, vandalism. For any vehicle with meaningful market value, this is not a luxury; the extra premium is a small fraction of the sum it protects. A four-year-old car worth ₹5 lakh, stolen without OD cover, is ₹5 lakh gone.

Where the money actually leaks. The costly mistakes are rarely about which insurer you pick. They live in three details the buyer controls: the IDV you declare (which caps your total-loss payout), the No-Claim Bonus you either protect or throw away on a small claim, and the two or three add-ons — return-to-invoice, zero-depreciation, engine protect — that decide whether a claim is settled in full or trimmed by depreciation and exclusions.

The Honest Boundary: Car insurance is NOT an investment — the premium buys protection, not returns, and for a personal car it earns no tax deduction. It is NOT optional in full — third-party cover is compulsory, and driving without it is a punishable offence. It is NOT "set and forget" — IDV, NCB and add-ons need a fresh look at every renewal. It IS the difference between a bad day and a financial catastrophe, provided the own-damage layer and the right add-ons are actually in place.

Structure

Part I

The Three Components & the New-Car TP Structure

Part II

IDV & the No-Claim Bonus — the Two Numbers That Decide Everything

Part III

The Add-Ons Worth Paying For, GST & the Tax Reality

Part IV

The Verdict: Five Mistakes That Create Exposure

Buy Comprehensive If

✓ The car has real market value

✓ It is under 8–10 years old

✓ A total loss would hurt

✓ It is new — add RTI & zero-dep

TP-Only Is Defensible If

✕ The car is 12+ years old

✕ Market value is negligible

✕ A write-off is affordable

✕ You accept the full OD risk

Part I

The Three Components, and the Long-Term Third-Party Cover on Every New Car

Why a car policy is really three covers stacked together — a compulsory third-party layer priced by the regulator, a mandatory standalone ₹15 lakh accident cover for the driver, and the optional own-damage layer that alone protects the car — plus the three-year TP rule that trips up new-car owners in years two and three.

Part I · Page 4

The Three Components

1 · Third-Party Liability — Mandatory

Compulsory under the Motor Vehicles Act 1988. Covers injury, death and property damage caused to others, plus legal defence costs. Pays nothing for your own car. The premium is set by IRDAI, uniform across insurers, and scaled by engine cubic capacity — so there is no premium to shop for, only claims service.

2 · Owner Personal Accident — Mandatory, Standalone

Since January 2019, the owner-driver's ₹15 lakh PA cover must be a separate standalone policy — roughly ₹750 a year. It covers death and permanent total disability of the owner in a motor accident. One PA policy covers the person across every vehicle they own, so a car-and-scooter owner needs just one.

3 · Own Damage — Optional, but Essential

Covers the insured car against accident, theft, fire, floods and manmade events. Legally optional — but for any car with value, its absence is a direct exposure equal to the whole car. Standard exclusions: wear and tear, drink-driving, driving without a licence, and consequential damage.

Third-Party Premium by Engine CC

Engine CC	Approx. Annual TP
Up to 1,000 CC	₹2,000–₹2,300
1,000–1,500 CC	₹3,300–₹3,700
Over 1,500 CC	₹7,500–₹8,500

Indicative IRDAI-notified slabs; rates are revised periodically. Because TP premium is regulated and identical across insurers, there is nothing to compare on price — only the insurer's claims service.

The New-Car Structure

Three-Year TP, One-Year OD

Following a Supreme Court directive effective September 2018, every new private car must carry a three-year TP policy at purchase, paid upfront or built into the on-road price. The OD layer is taken annually — or bundled for the full three years at the buyer's option. After three years, both TP and OD revert to yearly renewal. (New two-wheelers, by contrast, need a five-year TP; cars need only three.)

The Trap in Years 2 and 3

Year	TP Status	What to Renew
1	Active (3-yr)	Bought at purchase
2	Still running	OD only
3	Still running	OD only
4+	Expired	Full comprehensive

The confusion: in years two and three the owner only renews OD, because the three-year TP is still live. Some miss the OD renewal and assume the whole policy has lapsed — when in fact they remain legally TP-insured but have no cover at all for damage to their own car.

Standalone OD, since September 2019: IRDAI now permits OD to be bought as a standalone policy, independent of TP. That lets you keep the fixed-price TP with one insurer while choosing another for OD — the one with better claims service or the add-ons you actually want.

Part II

IDV and the No-Claim Bonus: The Two Numbers That Decide Your Claim and Your Premium

Why the value you declare sets the ceiling on a theft or write-off — and why accepting a lower one quietly makes you your own insurer; and why every claim you don't file protects a discount that can be worth more than the claim itself.

Part II · Page 6

IDV — The Total-Loss Ceiling

What IDV Is

Insured Declared Value is the car's current market value — the ex-showroom price less a standard depreciation schedule. It is the maximum the insurer pays on a total loss or theft. For partial damage, the insurer pays actual repair cost; IDV is the ceiling only for write-offs. The OD premium is a percentage of IDV, so a higher IDV means a higher premium and a higher maximum claim.

The IDV Trap

At renewal, insurers and aggregators sometimes suggest an IDV below the formula value to make the quote look cheaper. Accept it and you save a little on premium while self-insuring the gap between real value and declared value. In a theft or write-off, the payout is capped at the declared IDV — no more.

The RTI Gap — Car-Specific

Even at the correct IDV, a second gap opens: depreciated IDV versus the original on-road invoice. A ₹15 lakh car is declared at ~₹14.25 lakh at first renewal and ~₹9–10.5 lakh by year three. That shortfall is exactly what the Return-to-Invoice add-on closes.

The No-Claim Bonus

Claim-Free Years	NCB on OD
1 year	20%
2 years	25%
3 years	35%
4 years	45%
5+ years	50%

The Arithmetic of Not Claiming

NCB discounts only the OD premium — the regulated TP has none. A 50% NCB on a ₹12,000 OD premium saves ₹6,000 a year. Filing an ₹8,000–₹15,000 repair claim resets four years of accumulated bonus to zero. For moderate damage you can absorb, paying out of pocket and keeping the NCB is often the rational choice.

Two Rules Worth Knowing

NCB belongs to the owner, not the car — it transfers when you switch insurers and carries to a new car. But it is forfeited if the policy lapses beyond the grace period. An NCB Protector add-on preserves the bonus even after one claim — valuable once you are at 35–50%.

Illustrative figures around FY 2025-26. Actual NCB savings scale with your OD premium, which itself scales with IDV — so on a higher-value car the value of protecting the bonus is larger still.

Part III

The Add-Ons Worth Paying For, GST, and Why Your Premium Isn't Tax-Deductible

The handful of add-ons that decide whether a claim is settled in full — return-to-invoice, zero-depreciation and engine protect above the rest; the flat 18% GST on every premium component; and the misconception that a personal-car premium saves tax, when for individuals it does nothing of the kind.

Part III · Page 8

The Add-Ons That Earn Their Keep

Add-On	Protects Against	Priority
Return to Invoice	IDV-vs-invoice gap on total loss	New car #1
Zero Depreciation	Depreciation cut on parts	Under 5 yrs
Engine Protect	Flood / hydrolock damage	Flood cities
NCB Protector	Bonus reset after a claim	High NCB
Roadside Assist	Breakdown / towing	Commuters

Return to Invoice — the New-Car Priority

Pays the original on-road invoice — not the depreciated IDV — on a total loss or theft. On a ₹15 lakh car with a year-three IDV of ₹9–10.5 lakh, RTI turns a ₹9–10.5 lakh settlement into ₹15 lakh: a ₹4.5–6 lakh difference, permanent and irrecoverable without it. Usually available only up to three years (some to five). The highest-value add-on in a new car's early life.

Zero Depreciation & Engine Protect

Zero-dep waives the 30–50% depreciation cut on replaced plastic, rubber and fibre parts in a partial claim — typically adds 15–25% to OD premium, and pays for itself in the first real repair. Engine protect covers consequential flood damage — water ingress and hydrolock — that a standard OD policy excludes. Essential in monsoon-flood cities.

GST & the Tax Reality

18% GST on Everything

Private car insurance is a general-insurance product and attracts 18% GST on every component — TP, OD and add-on premiums alike. The September 2025 GST exemption applied only to individual health insurance; motor insurance of all kinds stays at 18%.

Not Tax-Deductible for a Personal Car

A widely held misconception: there is no Section 80C or 80D benefit for a personal-car premium — those sections cover life, health and specified investments, not vehicle cover. The premium becomes deductible only when the car is genuinely used for business or profession, where it is claimed as a business expense against that income (subject to personal-use apportionment).

Deductible or Not?

Use of Car	Premium Treatment
Personal / private	Not deductible
Business / profession	Allowable expense
Mixed use	Apportioned

Reflects the authors' understanding of Indian tax law as of July 2026. Tax treatment turns on the genuine use of the vehicle and individual facts; confirm with a qualified tax professional.

The honest truth: the cheapest quote is rarely the best policy. Price is largely fixed on the TP side and driven by IDV on the OD side — the real decisions are which add-ons to attach and what value to declare. A ₹4,000 zero-dep-plus-RTI package on a new car can be worth several lakh at claim time. Buy protection, not the lowest premium.

Part IV

The Verdict

Meet the law. Then actually protect the car.

Part IV: The Verdict · Page 10

30-Second Summary

A private car policy is three covers in one: mandatory third-party liability under the Motor Vehicles Act, a standalone ₹15 lakh personal-accident cover for the owner-driver, and optional own-damage cover — the only part that protects the car itself. Third-party premium is fixed by IRDAI and identical everywhere; the choices that matter all sit on the own-damage side. New cars carry a three-year TP with annual OD, and missing an OD renewal in years two or three leaves the car legally insured but wholly unprotected.

The money leaks in three places. IDV sets the ceiling on a total-loss claim and falls every year, so never accept a deflated figure to shave premium. The No-Claim Bonus, worth up to 50% off OD, is destroyed by a single small claim — often worth more than the claim itself. And the add-ons decide the outcome: return-to-invoice first on a new car, then zero-depreciation and engine protect. Every premium carries 18% GST, and for a personal car none of it is tax-deductible.

"The certificate in your glovebox answers one question — am I legal to drive? Yes. It says nothing about the other — is my car protected if the worst happens? Comprehensive cover, the right IDV, a preserved bonus and two or three add-ons answer that one. Confusing the legal minimum with real protection is the only mistake that matters."
The Final Orientation

The Bottom Line: For any car with value, buy comprehensive, not third-party-only. Declare the formula IDV, not a discounted one. On a new car, buy return-to-invoice and zero-depreciation while they are still available — the window closes with age, not claim history. Protect the No-Claim Bonus by absorbing small repairs yourself. Review IDV, NCB and add-ons at every renewal, and diarise the OD renewal in years two and three. Above all, remember the premium buys protection, not returns — and for a personal car, no tax relief.

ADWIZR · July 2026

Five Mistakes That Create Exposure

Do This

✓ Comprehensive on a car with value

✓ RTI in the first three years

✓ Declare the formula IDV

✓ Absorb small repairs, keep NCB

Not This

✕ TP-only on a valuable car

✕ Skipping RTI on a new car

✕ Accepting a deflated IDV

✕ No zero-dep under five years

Three Misconceptions

What Car Owners Get Wrong

(1) "My car is insured." Often that means TP-only — no cover for your own car. (2) "The premium saves me tax." Not on a personal car — there is no 80C or 80D relief. (3) "A lower IDV just means a cheaper premium." It also lowers your total-loss payout by the same gap.

TP vs Comprehensive

Legal vs Protected

Third-party: mandatory, IRDAI-priced, pays only for harm to others — makes you legal. Comprehensive: TP plus own-damage, pays for your own car too, and takes add-ons — makes you protected. Different jobs; only one covers the car.

3-in-1

Cover

TP · PA · OD

Up to 50%

No-Claim Bonus

On OD premium

18%

GST

Not tax-deductible

Investor FAQ

Questions Indian Car Owners Ask

Six questions, answered directly.

Investor FAQ · Page 12

Frequently Asked Questions

Q1 Is car insurance mandatory in India?

Third-party liability cover is compulsory under the Motor Vehicles Act, 1988 — every private car must carry valid TP insurance whenever it is on a public road. Driving without it is a punishable offence: a first offence carries a fine of ₹2,000 and/or up to three months imprisonment, and repeat offences ₹4,000. Own-damage cover, which protects your own car, is legally optional. New cars must also carry a long-term three-year TP policy at purchase, and the owner-driver needs a separate standalone ₹15 lakh personal-accident policy.

Q2 What is the difference between third-party and comprehensive car insurance?

Third-party (TP) cover pays only for injury, death or property damage you cause to others — it pays nothing for your own car. It is mandatory, and its premium is fixed by IRDAI, uniform across all insurers, and set by engine cubic capacity. A comprehensive policy bundles that mandatory TP with own-damage (OD) cover, which pays for damage to, or theft of, your own vehicle from accidents, fire, floods, riots and more. For any car with meaningful market value, TP-only leaves a self-insured exposure equal to the whole value of the car.

Q3 Should I buy zero-depreciation and return-to-invoice add-ons?

For a car under five years old, zero-depreciation almost always pays for itself in the first meaningful repair — it stops the insurer deducting 30–50% depreciation on replaced plastic, rubber and fibre parts, and typically adds only 15–25% to the OD premium. Return-to-invoice is the single most valuable add-on in a new car's first three years: it pays the original on-road invoice price on a total loss or theft instead of the depreciated IDV, closing a gap that can run to ₹4–6 lakh. Both are only available while the car is young, so the window to buy them closes with age, not with claim history.

Q4 Is my car insurance premium tax-deductible?

For a personal private car, no. There is no Section 80C or Section 80D benefit for motor insurance — those sections cover life, health and specified investments, not vehicle cover. The premium becomes an allowable deduction only when the car is genuinely used for business or profession, in which case it is claimed as a business expense against that income, subject to any personal-use apportionment. Treating a personal car premium as tax-saving is a common and costly misconception.

Q5 Should I claim for a small dent or pay out of pocket?

Often, paying out of pocket is the financially rational choice. Any claim in a policy year resets your No-Claim Bonus to zero at renewal, and a 50% NCB on a ₹12,000 own-damage premium is worth about ₹6,000 a year — several years of that compounding discount can far exceed the benefit of an ₹8,000–₹15,000 claim. Weigh the repair cost against the multi-year value of the NCB you would surrender. If you have an NCB Protector add-on, one claim need not reset the bonus.

Q6 What is IDV and should I accept a lower one to cut my premium?

IDV — Insured Declared Value — is the current depreciated market value of your car and the maximum the insurer will pay on a total loss or theft. The own-damage premium is a percentage of IDV, so a lower IDV shows a lower premium. But accepting a deflated IDV to save ₹300–₹600 a year means self-insuring the gap: in a theft or write-off you are paid only the declared figure. For any car under five years old, set the IDV to the IRDAI-formula value applied to the ex-showroom price, not to a lower number offered to make the quote look cheaper.

Key Terms & Definitions

Third-Party (TP) Liability

The compulsory cover under the Motor Vehicles Act 1988 for injury, death or property damage caused to others by the insured vehicle. It pays nothing toward the insured's own car. Premium is set by IRDAI and identical across all insurers, scaled by engine cubic capacity.

Own Damage (OD)

The optional cover that pays for damage to, or theft of, the insured vehicle itself — from accidents, fire, floods, storms and manmade events. Combined with mandatory TP it forms a comprehensive policy. Without it, a stolen or written-off car is a complete uninsured loss.

Insured Declared Value (IDV)

The car's current depreciated market value and the maximum payable on a total loss or theft. Calculated as ex-showroom price less a standard age-based depreciation schedule; the OD premium is a percentage of it. Falls each year, from 5% off in the first six months to 50% by year five.

No-Claim Bonus (NCB)

A discount on the OD premium for each successive claim-free year, rising from 20% after one year to 50% after five. It belongs to the owner, not the car, and transfers on switching insurer or vehicle — but any claim resets it to zero, and a lapse beyond the grace period forfeits it.

Return to Invoice (RTI)

An add-on that pays the original on-road invoice price — not the depreciated IDV — on a total loss or theft. It closes the gap between IDV and invoice, which can reach ₹4–6 lakh by year three. Usually available only for cars up to three years old (some insurers up to five).

Zero Depreciation

Also called nil-depreciation or bumper-to-bumper cover, an add-on that waives the depreciation deduction on replaced parts in a partial-damage claim, so the insurer pays full replacement cost. Typically adds 15–25% to the OD premium and is available for cars up to about five years old.