TRY THIS USSD NUMBER
================
VODAFONE>Call> *111*2#
================
AIRTEL>Call> *121*9#
================
AIRCEL>Call> *122*131#
================
BSNL>call>164
================
Reliance>call> *1#
================
Idea>call> *1#
================
Docomo>call> *580#
================
Virgin>call> *1#
================
MTS>sms>"NUM" to 51230
================
Uninor>call> *555#
================