Chassis Number Verification Service – Check Vehicle Identity & Authenticityce
A Chassis Number Verification Service allows you to confirm the true identity of any vehicle using its VIN (Vehicle Identification Number). The chassis number is a unique code assigned by the manufacturer, and verifying it ensures that the vehicle is genuine, legally registered, and free from tampering.
What Is a Chassis Number?
A chassis number is a 17-digit alphanumeric code that identifies a vehicle’s model, manufacturing year, engine type, and production details. It acts as the vehicle’s fingerprint, appearing on the physical frame, engine bay, RC, and service records.
Why Chassis Number Verification Is Important?
Chassis verification helps detect fraud, theft, cloning, and mismatches between RC details and the physical vehicle. It protects buyers from illegal vehicles and confirms that documents are authentic and accurate.
How Chassis Number Works – Vehicle's Fingerprint
It works like a vehicle's fingerprint and shows:
- Model & variant – Identifies the exact model and trim level of the vehicle
- Production year – Confirms the manufacturing date of the vehicle
- Engine and body details – Specifies engine type, displacement, and body configuration
- Manufacturing plant information – Shows which factory produced the vehicle
Why Chassis Number Verification Is Important?
Verifying the chassis number helps you:
- Confirm the vehicle is not stolen
- Detect tampering or cloning
- Match RC details with the actual vehicle
- Check if the seller is genuine
- Ensure correct manufacturing year & model
This is especially important when buying a used car or bike.
How to Verify Vehicle Chassis Number Online
Visit VAHAN
Visit VAHAN (vahan.parivahan.gov.in)
- •Enter the registration number
- •View the masked chassis number
Compare With Physical
Compare With Physical Chassis Number
- •The digits shown online must match
- •Check the number printed on the vehicle
Use mParivahan App
Use mParivahan App
- •Displays RC details
- •Shows masked chassis number
How to Verify Chassis Number Physically (Offline)
Find the chassis number stamped on:
Under the driver seat
Check the chassis number stamped underneath
Engine bay
Look for the number on engine components
Door frame
Check the pillar between front and rear doors
Frame rail
Inspect the main structural frame
⚠️ Warning Signs of Tampering
- ✗Not clean engraving – Numbers look faded or unclear
- ✗Scratching or damage – Signs of deliberate alteration
- ✗Altered fonts – Numbers don't match factory style
- ✗Re-stamping – Evidence of the number being re-engraved
Chassis Number Verification Tips for Used Vehicle Buyers
Match Online RC Details with Physical Chassis Stamp
Make sure online RC details match the physical chassis stamp. Any mismatch indicates potential fraud.
Avoid Altered VIN Numbers
Avoid vehicles with filed, re-written, or damaged VIN numbers. These are red flags for vehicle cloning or theft.
Check Service History
Check the service history—VIN appears in every record. Verify consistency across all service documents.
Decode the VIN to Confirm Manufacturing Year
Decode the VIN to confirm correct manufacturing year. The 10th digit represents the model year.
Verify Engine Number and Chassis Number Together
Verify engine number and chassis number together. Both should match the RC and have no signs of tampering.
✅ FAQ – Chassis Number Verification Service
1. What is a chassis number?▼
A chassis number is a 17-digit unique identification code assigned by the vehicle manufacturer. It helps identify the model, year of manufacture, and other vehicle details. It works like a vehicle's fingerprint.
2. Why is chassis number verification important?▼
Verification ensures the vehicle is genuine, not stolen, and that the details match the RC, insurance, and official RTO records. It protects you from fraud, tampered vehicles, and incorrect documentation.
3. Where can I find the chassis number on a vehicle?▼
It is usually stamped on:
- Under the driver seat
- Engine bay
- Door frame or pillar
- Frame rail
- RC (Registration Certificate)
- Manufacturer sticker
4. How can I verify a chassis number online?▼
Visit vahan.parivahan.gov.in → Enter vehicle number → View masked chassis number → Compare it with the number printed on your vehicle.
5. Can I check the full chassis number online?▼
No. For security reasons, only a partially masked chassis number is shown online. The full number must be verified physically on the vehicle.
6. How do I verify the chassis number physically?▼
Check the stamped VIN on the vehicle body. Ensure the numbers are clear, evenly printed, and not tampered (no scratches, grinding marks, or re-stamping).
7. What should I do if the chassis number doesn't match the RC?▼
Do not purchase the vehicle. A mismatch indicates serious issues like fraud, cloning, or improper documentation. Contact the RTO for inspection.
8. Can a tampered chassis number be restored?▼
No. Once tampered, it cannot be legally corrected. Police and RTO verification will be required, and the vehicle may be rejected or seized.
9. Is chassis number verification required for buying a used car?▼
Yes. It is one of the most important checks to confirm the vehicle's identity, ownership history, and authenticity before purchasing.
10. Does the chassis number show accident or service history?▼
Not directly, but you can use the VIN to check service records, and in some cases, third-party platforms may show accident history linked to the VIN.
This website provides RTO office information and guidance based on official government portals. It does not provide personal owner data or real-time challan amounts.







