Find out your own mobile number :

Type the code(below) on your mobile screen a you will see your mobile number

Vodafone-*111*2#
Videocon-*1#
Bpl-*222#
Reliance-*111#or *1#
Idea-*100# or *789#
docomo-*580#
Airtel-Send sms IM to 57070 or *140*1600#
Aircel-*#1#888#
Uninor- *1#
BSNL -Call 24365 and ask them
Loop- Dial *222#
Virgin-Dial *1#
Aircel , Docomo , Reliance : Dial *1
and for airtel *140*1600#