The recipient of four National Film Awards, two Academy Awards, two Grammy Awards, a BAFTA Award and a Golden Globe, started his career in 1992, delivering hit tracks for "Roja".
With the music of films like "Bombay", "Taal" and "Lagaan", the maestro earned a special spot on the global front.
Here is what the celebrities had to say:
A.R. Murugadoss: Wish you many more happy returns of the day sir, and wishing you a great musical years ahead.
Mohit Chauhan: Happy birthday A.R. Rahman saab. May God always keep you in best of health and spirits.
Salim Merchant: Happy birthday have a wonderful year ahead.
Harshdeep Kaur: Wishing you a very happy birthday. I'll be a fan forever!
Shruti Haasan: Wishing the amazing A.R. Rahman a very happy
Aditi Rao Hydari: Wishing all the love and more magic to the music maestro. Happy birthday, sir! You are an inspiration to many! Love, light and happiness to you!
Armaan Malik: Hope you have the best birthday ever. I feel blessed to have had the opportunity to work with you so early on in my musical career. You're a true inspiration for all us Indian musicians. I pray and wish that you keep making India proud.
Jonita Gandhi: Happy birthday sir. To me, each and every interaction with you is a blessing. Sending you infinite love... Thank you from the bottom of my heart for the trust and countless lessons!
Neeti Mohan: Dearest A.R. Rahman sir, wishing you a very happy birthday and a blessed year ahead. Love and respect.
Shreya Ghoshal: A very happy birthday sir. Love, light and happiness to you.