Know your unknown Number....

When you forget your mobile no. then this Numbers will help you.
Call on these no. To know your no.
Vodafone -- *111*2#

Airtel -- *121*9#
Aircel -- *122*131#
BSNL -- 164
Reliance --*1#

Idea -- *1#
Docomo -- *580#
Virgin GSM --  *1#
Uninor -- *555#

For MTS you have to send SMS to know your no.
MTS --SMS "NUM" 51230