Song Snippet From Kolamaavu Kokila

I was watching this movie and there comes a snippet of song from someother movie...can you please help find out what song its this..

it says something like...naaan tholiden or olinden poi irundaalum.....
if someone watched that movie and let now what that song is?

 

Thank you girl! I fell in love with the lines and was searching so much ,i could never have found out in my life!