A: No. Indian privacy law prevents public access to SIM owner databases. Only law enforcement (police) can trace a number's owner via the telecom operator.

Have you found an unknown SIM registered under your Aadhaar? Tell us in the comments below.

Select under the Citizen Centric Services section.

To truly understand "SIM card number details," you must understand the physical card itself. Look at the back of your SIM card tray punch-out. You will see two crucial numbers:

you likely want the MSISDN (your phone number). However, telecom companies use IMSI and ICCID to track the physical card. If you lose your phone, provide the ICCID (found on the original packaging) to police to block the SIM permanently.