Keep your SIM pack: Take a photo of the PUK code and store it in a secure digital cloud.
The Airtel WebsiteVisit the official Airtel NIN portal. Enter your phone number and NIN into the online form. You will receive an OTP (One-Time Password) to confirm the request. How to Reactivate an Inactive Airtel SIM how to unblock airtel line
Check for SignalInsert the SIM into a phone. If it shows "No Service" or "Invalid SIM," the number might have been recycled. If you still see signal bars but cannot make calls, try recharging the line with at least 100 units of airtime and making a call. Keep your SIM pack: Take a photo of