If you encounter errors while executing an internet query on the transport infrastructure networks, keep the following parameters in mind: User Login Page!! - VAHAN 4.0 (Citizen Services)

It is important to distinguish between the and mobile applications:

The is more than just a government website—it is a shield against vehicle-related fraud. In a country where 40,000+ vehicles are stolen annually (NCRB data) and odometer tampering is rampant, a two-minute query can save you lakhs of rupees.

The unique identification number of the vehicle. Engine Number: The number stamped on the engine.

| Issue | Likely Cause | Solution | |--------|----------------|------------| | “Invalid Registration Number” | Typo or number doesn’t exist | Double-check format. Try without spaces. | | “Data Not Found” | Vehicle not digitized in Vahan | Check with local RTO. Older vehicles may be in legacy system. | | Captcha not loading | Browser issue / slow internet | Refresh page or try incognito mode. | | “Service Unavailable” | Server maintenance | Try after some time (avoid peak hours: 10 AM – 12 PM). |