Kapur appeared in six episodes of British-Indian comedy series Mumbai Calling (2009) as a call centre operator. He has appeared in Aamir Khan Productions' Delhi Belly (2011) alongside Imran Khan and Vir Das . Thereafter, he acted in Nautanki Saala (2013) with Ayushman Khurana and did a small role in Yeh Jawaani Hai Deewani (2013) with an ensemble cast, including Ranbir Kapoor, Deepika Padukone, and his younger brother Aditya Roy Kapur. Then he acted in Action Jackson of Prabhu Deva opposite Ajay Devgan,Sonakshi Sinha and Yami Gautam and Gollu Aur Pappu opposite Vir Das and Karishma Tanna. His last release was Azhar, where he played the role of Reddy (Azharuddin's lawyer). Next Release is The Final Exit (2017). In 2018, he acted in an eight episode web series called 'Going Viral'which aired on Amazon prime.