Need Novel Name

Hi friends..

I once read a novel. but forget the author name and even the novel name.
I just remember hero name and story can someone help me to find it.

Hero: Siddharth Heroine:?

When Heroine studied in college she went to participate a cultural activity there comes hero who is a good singer. Heroine admires him.
After few years Heroine's friend was engaged to hero. But the friend loves heroines another friend.so she helps them to marry and heroine went to see whats going on the marriage hall. she finds hero was the groom she convince her parents and marry him. later hero knows that heroine and their friends stop his earlier marriage he hates her. And like how they re-unite with eachother