To get Your mobile number in your mobile screen , Just dial the following usd codes.

Idea *789# or *100# or *1# *147# *131# or *131*1#
Vodafone *555# or *555*0# or *111*2# or *777*0# or *131*0#
Airtel *140*175 or*140*1600# or *121*9# or *282# *141*123#
Aircel *1# or *234*4# or *888# or *122*131# or *131#
Reliance *1# *111#
Bsnl *1# or *99#
Videocon *1# 
Virgin *1# 
Tata Docomo *1# or *580# or *124#
Uninor *444# *555# *1#
BPL or Loop *222# *1# *001#
MTNL *8888#
Smart *1# *111*2#
Virgin SMS: NUM to 51230 or *1#