His father, Rizwan Khan, was a professional sitar player but had to leave music to take care of the family by entering the construction business.
[citation needed] In November 2006, he took part in the singing competition Fame X (in Hindi language Chal Udiye) inaugural 2006–2007 season.
The other top 10 finalists besides Khan, Bagchi and Nairthe included Rakesh Sharma, Banjo, Ashutosh Jain, Sammy Rajdeep, Aditya Jassi, Ritu Pathak and Arunima Bhattacharya.
He followed the release of "Naujawan" by singing in the soundtrack of the Bollywood film Heyy Babyy with the song "Mast Kalandar"[3] composed by Shankar–Ehsaan–Loy.
Rehan Khan appeared in a number of films like Fast Forward (2009), directed by Zaigham Ali Syed.