Update Aug 2013: From now on BSNL 2G and 3G use same plans. If you have 3G range you will get 3G speeds. If you have 2G coverage only you will get 2G range.
For BSNL Kerala Tariff see here
How to migrate/convert/switch/activate from BSNL2G Plan to BSNL3G Plan
How to get BSNL GPRS settings via SMS
All these SMS are free. All Boosters availed at the time of migration will be forfeited (SMS, Voice & GPRS230)
send sms M3G120 to BSNL short code 53733
Your Request for 3G Conversion is under process, Pl wait for confirmation SMS - bsnlmobile
Your Request for 3G Conversion received. 3G Plan validity is 180 days. Migration back to 2G later will be only to Prepaid General Plan. to Confirm pl. send sms M3G120Y to 53733
send sms M2G to 53733
Your Request for 2G Conversion is under process, Pl wait for confirmation SMS - bsnlmobile
Your Request for 2G Conversion received. For prepaid Customer Conversion will be back to 2G Prepaid General Plan only.To Confirm pl. send sms M2GY to 53733
Dear Customer, As per your request Your plan has been changed to Excel 2G_GENERAL.
To activate GPRS on your BSNL prepaid mobile phone, you can send sms GPRSPRE to 53733.
To deactivate GPRS (for prepaid mobile) GPRSDE to 53733
Postpaid customers for GPRS Activation send SMS GPRS199 or GPRS49 or GPRSRF to 53733 – BSNLMOBILE
Howto get 2GB for a month using BSNL connection.
Your Request for activation of GPRS is received and under process.Wait for confirmation SMS. - BSNLMOBILE
Dear Customer Your request forGPRSTRIAL is accepted.Your GPRS Booster expires on 31/08/2010 -BSNL MOBILE
Dear Customer You have already availed GPRS TRAIL - BSNL MOBILE
Now Receive/Get BSNL GPRS/3G setting in your handest.
send NOKIA 6630 to 58355
If the handset is not supported the following SMS will be the reply, or else the settings.
Sorry, The Format is not correct. Please Send (Handset MODEL)Example NOKIA 3200, or SONYERICSSON T610, SAMSUNG SGH-D528 TO 58355
How to activate BSNL FFE(Friends n Family)
FFE <STD land line number(0471XXXXXX> <local bsnl mobile number(944..)>
Send this to 53733
How to know the Balance, Credit & Validity of BSNL Pre-Paid connection.
Dial *123# then call
How to Recharge in PrePaid BSNL mobile phones using recharge coupon.
Dial *123*<Secret Code of recharge coupon># then call
Existing Excel Anant subscribers can migrate to Excel General by sending
SMS ‘MGEN’ to 53733.
Existing Anant subscribers can migrate to Saral by sending `MSARAL’ as
SMS to 53733.