How to check Gprs Balance all Networks

Tata Docomo 

Main Balance Check	*111# or sms BAL to 121
GPRS & SMS Balance	*111*1# or sms BAL to 121 (This wont show the validity or expiry date, for that you have to call customer care)
Daily Plans	*141#
Customer Care	121
Internet Settings	sms INTERNET to 57720
Additional Offers	*191# (Shows last three recharge history, Start or Stop a service and much more….)

Aircel

Check Main Balance	*125#
SMS Balance	*126*1# OR *125*2#
GPRS Balance	*126*4# OR *125*3#
Customer Care	121
Internet Settings	sms PI to 121

Airtel

Main Balance Check	*123# OR call 123 and follow the instructions
SMS Balance	*123*3#
GPRS Balance	*123*10# OR *123*7#
3G Balance	*123*11#
Customer Care	121
Internet Settings	sms ALL to 543210

Reliance

Main Balance Check	*367#
SMS Balance	call *367 and follow the instructions
GPRS / 3G Balance	*333*1*3*1# OR *367*3# OR sms MBAL to 55333
Customer Care	*367 (for account related) OR *369 (for other services)
Internet Settings	sms ALL to 55100

Vodafone

Main Balance	*141#
SMS and Local Balance	*141*1#
GPRS Balance	sms MB to 144
Customer Care	111
Internet Settings	sms VL to 52586

Idea

Main Balance	*130# or *212# OR call 2222 or 12345 and follow the instructions
Special Balance	*457# and *456#
SMS and GPRS Balance	Call 12345 and follow the instructions
Customer Care	12345 or 98***12345 (Replace *** with your respective mobile number series)
Internet Settings	sms SET to 546714

BSNL

Main Balance	*123# OR *112# then press 1
SMS Balance	*123*3#
GPRS / 3G Balance	*123*6# OR *112# then press 2 OR *234#
Customer Care	123
Internet Settings	sms Handset Model No. to 58355,Example NOKIA3310 to 58355

Uninor

Main Balance	*222*2#
SMS / GPRS Balance	Call 121 and follow the instructions
Customer Care	121
Internet Settings	sms ALL to 58355