Singh made his television debut on the STAR Plus reality show Perfect Bride. He also played an episodic role on Rishta.com. From 2013 to 2014, Singh played the lead role of Hatim on the Life OK series The Adventures of Hatim. He then acted out the role of Azaad, the lead male role in Zee TV's Qubool Hai Season 4, from August 2015 to November 2015. In Qubool Hai, Singh acted the role of a half-vampire opposite female lead Surbhi Jyoti.
- 2011 Who's There?
- 2016 Ishq Junoon
- 2016 Club Dancer
- "Rajbir Singh, Pooja Bannerjee in Legend of Hatim". dna. 26 September 2013.
- Bollywood Hungama. "Who's There?". bollywoodhungama.com.
- "On this auspicious occasion, one of the Gujarati mothers seemed so fascinated by Amrita Rao that she gifted Amrita an ancestral jewel that she was wearing - Photogallery". indiatimes.com.
- "I`ve physical stamina to play a warrior: Rajbir on Hatim`s role". Zee News.