1. When Rehman was a kid, he wanted to become a computer Engineer. But he left his choice on the path of music.
2. His Father R.K.Sekhar is a famous Music Director in Malayalam Film Industry. So we can say that he has music in his blood.
3. At the age of thirteen, he played a four keyboard on T.V. in a children program called “WONDER BALLOON”.
4. His first religion was Hindu and His first name was A.S Dileep Kumar .But after his family changed religion he has the name as Allah Rakha Rehman. The reason was When Rahman’s sister fell seriously ill in 1988, Pir Qadri, who cured her, advised the family to convert to Islam and they did!
5. He didn’t complete his school, Because of poor attendance he had to left school at the age of 15.
6. During important film festivals Rahman is very conscious about his wardrobe. His wife Saira and a Mumbai based designer Deepak decides about his dresses.
7. The 1st biography of Rehman was released by Penguin Publishers. But due to some reason he didn’t accept it as his biography.
8. He is very serious about his privacy. Only director Maniratnam is the only person outside of his family who can meet him any time at his choice.
9. Rahman’s Oscar award winning song “Jai Ho” was initially composed for the Bollywood movie Yuvvraaj!. But it later became a part of Slumdog Millionaire.
10. Rahman is the only Indian to be featured in ‘List of best-selling music artists of the world’.
11. It is believed that Rahman likes composing at night as he is not disturbed by phone calls during that hour.
12. He does not let his wife or children inside the studio when he’s working.
13. Rahman doesn’t go to any kind of recreational places like theatres and parties. When he gets free time he just spends it with his family.
14. He has three kids Khatija, Rahima , and son Ameen. He loves to play games with them.
15. Rahman adds lots of sugar in his cup of coffee. The ratio is 1/4 of the size of the cup. People are amazed when they share a cup in his house.
16. He studied at Trinity college of Music at OXFORD University.
17. Rahman was 9, when his father passed away. He joined Illaiyaraja’s troupe as a keyboard player to earn for his family.
18. In 2006, he launched his own music label KM Music.
19. In 2004, he was appointed as a Global Brand ambassador of the Stop TB Partnership, a project by WHO.
20. He has been honored with the Padma Bhushan award and Padma Shri award from the Government of India.
21. In 2007, Rahman was entered in the Limca Books of Awards as “Indian of the Year for Contribution to Popular Music”.
22. He is the only music director to receive Natinal Film award for best music as a debut for the film ROJA.
23. Rahman is the first Asian to win two Oscars in same year and be nominated twice in the same category for the same film.
24. A street was named on his honor in Markham, Ontario, Canada in November 2013.
25. In 2012, Rahman revealed that he had received a Christmas card from the family of the President of the United States and dinner invitation at the White House.
26. Normally, he has no nick name in family. But his fans popularly nicknamed him as, 'The Mozart of Madras'.