How to convert BSNL 2g SIM to 3g Sim

Bsnl 3g service is provided almost all over india and if you want to convert your 2g sim to 3g sim and its very simple and there is no need of taking a new sim from BSNL. By sending sms we can convert to 3g.The procedure for sending the sms is given below:

1)First  Send an  sms M3G120 to 53733.
2) A confirmation comes to you that are u willing or not to convert to bsnl 3g and then send an sms  M3G120 Y to 53733
3)Approximately wait for an  hour and a messages comes to u that  welcome message for 3g then Restart your mobile and check weather 3g signal is came or not and for any other information regarding this call to 1503 from any bsnl mobile or land line.
website:www.bsnl.co.in