Actor Hrithik Roshan, popular as India's superhero, turned 40 Friday. His colleagues wished him more strength and happiness.

Although on the professional level Hrithik nailed his popularity once again with the success of "Krrish 3", things are not hunky dory in his personal life. He is battling health problems and also dealing with the separation from his wife Suzanne.

On his birthday, friends and family, including his former sister-in-law and jewellery designer Farah Khan, and celebrities like Vivek Oberoi and Prateik Babbar took to Twittet to wish him.

This is what they have to say:

Farah Khan: Happy birthday to my darling brother Hrithik. May you go from strength-to-strength.


Vivek Oberoi: Wishing reel and real life superhero Hrithik a very happy birthday! Hope you have a great one bro!

Prateik Babbar: Happy birthday Hrithik Roshan.

Shweta Pandit: Happiest birthday Hrithik! Massive love to one of the most amazing persons I'll ever know in my life.

Anand L. Rai: Happy birthday. God bless you with a lot of peace and happiness.