Raja Hasan Sagar is an Indian playback singer, music director and producer, who has worked in the Hindi, Telugu, Bengali and Bhojpuri film industries. He caught the public eye when he ended up being a finalist on hit TV singing reality show, Sa Re Ga Ma Pa Challenge 2007. He ended up as the runner up on the show, but it paved the way for a career in movies. Raja has sung for movies like Bachna Ae Haseeno (2008), 99 (2009), Teree Sang: A Kidult Love Story (2009), Madholal Keep Walking (2009), Tees Maar Khan (2010), No One Killed Jessica (2011), Chalo Dilli (2011), Shanghai (2012), Ishq (2012), Poola Rangadu (2012), Buno Haansh (2014), Chinnadana Nee Kosam (2014) and Pyaar Ka Punchnama 2 (2015). He also produced a Rajasthani movie, Maru Dhar Mharo Ghar (2014). In 2017 Raja, along with Tapesh R Panwar, worked on the music for debutant director Lomharsh`s movie, Yeh Hai India.