How to check balance in all mobile networks in india

Airtel

Balance Enquiry-  *123#

OFFER of the day,Hello tunes,Do not distrub -  *121#

STD Balance Enquiry-  *123*6#

2G Balance ENQUIRY-  *123*23#

For Internet Activation dial  *567#  then select the plan

Customer care (free) dial- 198

TATA Docomo

Main balance  *111#

Sms  balance *111*1#

Gprs balance  *111*1#

International  booster balance *111*2#

Special balance *111*1#

Customer care(free) dial-  198

Vodafone

Main balance  *141# or SMS BAL to 140 (free)

Aircel

Main balance  *125# 

BSNL

Balance- *123#Data balance- *123*6#

IDEA

Main Balance-  *111# or sms *167*1#

RELIANCE

Reliance  GSM

Main balance- *367

msg balance =  *111*5#

secret balance = *111*6# 

CDMA

To find your balance for Reliance CDMA mobiles, 

send an SMS with the content BAL to the number 53670 or call 369. 

You can also call 225 which send you back an SMS containing the details of your account.

Dail *225(you will receive a msg)
By SMS Ball t0 53670
By Call *369

VIRGIN MOBILE

Dial 125555 and then press 2

send sms BA 58576

MTS

Check your balance dial 177 (toll free)