Idea-55004
airtel-*282#
virgin-*1#
reliance-1*#
Vodafone-*111*2# Videocon-*1#
Bpl-*222#
Relaince-*111#or *1#
Idea-*100# or *789#
docomo-*580#
Airtel-Send sms IM to 57070 or *140*1600#
Aircel-*#1#888# OR *122*131#
Uninor- *1#
BSNL -Call 24365 and ask them
