Raja Hasan Sagar is an Indian playback singer who shot to fame when he became a finalist on the music reality show Sa Re Ga Ma Pa Challenge 2007, losing out to Aneek Dhar. While on the music reality show circuit, he won Ek Se Badhkar Ek on Zee TV, Ustadoon Ke Ustad on Sony and IPL Rock Star on Colours channel.
Born in Chhotikashi in the desert city of Bikaner, Rajasthan, he was initiated into music by his gurus Rafik Sagar, his father and Allah Rakha Khan, his grandfather. He belongs to a family of royal singers of the erstwhile Jodhpur state.
Some of his popular numbers in Bollywood include “Lucky Boy” (“Bachna Ae Haseeno”, 2008), “Wallah Re Wallah” (“Tees Maar Khan”, 2010) and “Aali Re” (“No One Killed Jessica”, 2011).