Ritwik gave his first trial at a Mohun Bagan non-residential academy when he was in ninth grade where he learnt the nuances of football.
[1] Ritwik's time of reckoning arrived when Real Kashmir FC decided to hold trials at a Sports Authority of India ground in West Bengal in 2017.
[1] He made his I-League debut for Real Kashmir on 11 December 2018 at EMS Stadium against Shillong Lajong, he was brought in as substitute in 77th minute as they won 6-1.
[3] On 15 July 2020, RitwikDas joined Indian Super League club Kerala Blasters.
[6] On 21 October 2021, Ritwik Das joined Jamshedpur on a one-year deal, with an option to extend for another year.