Airtel:Checkout Your different balances

Airtel users can get information on different balances by simply dialing the following.
Airtel
>*123*1# A2A balance >*123*2#sms balance >*123*3#voice balance
>*123*4# AtoA A/c
balance
>*123*5# Monthly balance
>*123*6# A2A sms balance
>*123*7# sms balance
>*123*8# STD balance
>*123*10# GPRS Balance