Hi guys is your bsnl sim locked?
just sent the sms to the following number
PUK Sim No. to 53733
sim no will be at your back of your sim card..it is of 19 digits......
also if your sim is locked then just enter the PUK code then enter ok then enter 0000 then enter 0000 after this you will be able to unlock you BSNL sim
And if the msg does not come you have got only one way that is call the customer care 9415024365(help line number)
You can get your PUK code more frequently by leaving your sim number and mobile number. You will get it in 10 minutes.