Roby started working as an assistant cinematographer with Rubaiyz Mohammed and Himman Dhammija in 2010 at
Mumbai and then moved to
Kochi to assist
Jomon T. John and
Loganathan Srinivasan in 2012. He studied cinematography at Mindscreen Film Institute, Chennai under
Rajiv Menon. He made his directorial debut with
Kannur Squad (2023), which was co-written by his brother
Rony David Raj. == Filmography ==