Rajeev Khandelwal began his career directing the television series Filmy Chakkar before stepping into acting. His breakthrough came with Kahiin To Hoga, where he played Sujal Garewal, a role that made him a household name. He later appeared in shows like Time Bomb 9/11 (2005), Left Right Left (2007), and Reporters (2015). His transition to films was marked by Aamir (2008), which earned him critical acclaim and established him as a serious actor.
Over the years, Rajeev has starred in films such as Shaitan (2011), Soundtrack (2011), Table No. 21 (2013), and Samrat & Co (2014). He also ventured into digital platforms with web series like Haq Se (2018) and Coldd Lassi Aur Chicken Masala (2019). Apart from acting, he has hosted reality shows including Sach Ka Saamna and Deal Ya No Deal, showcasing his versatility.