Bollywood star Hrithik Roshan believes in simple joys. So, for his 37th birthday Monday, all that the actor wanted was forgiveness from his sister-in-law Farah Khan Ali, who was upset with him over an issue.

"Hello tweeple. I have upset d one person responsible 4 introducing me 2 dis twitterworld my beautiful FarahKhanAli who I love very much. u think u guys cld help her forgive me, since I'm human n since its my b'day tom? Love u all soo much! (sic)" Hrithik posted on his Twitter page Sunday.

Farah is the eldest sister of Hrithik's wife Sussanne.

Hrithik's public apology on the micro-blogging site melted Farah's heart, after which she posted: "OMG. Duggu did u have to do this on twitter. U know I love u unconditionally and the people u love the most sometimes hurt u too. Love u and Suss and will see u tom. Happy Birthday my brother. May u both live a long and happy life. (sic)"

She followed up the post with a warm birthday wish for the actor.

"Happy B'day to a great soul, pure & giving. Love u Duggu. May u never experience a moment of sadness or a bad health. Love always."

Actors like Bipasha Basu and Arjun Rampal wished Hrithik on Twitter as well.

"Happy happy birthday Rockstar, fly high always, love you," posted Arjun.