Tumse kitna pyar hai song

:) :) hi today i heard a song on FM and i liked it so much that i want to have it in my mobile but i can't find it on google search may be key words i am using are wrong so please.
song is

Tumse kitna pyar hai dil mein uttar kar dekh lo na yakeen aye to dil badal kar dekh lo

plz yaar somebody must have heard about it.

i have got it from apun ka bollywood it's a song from company movie.