He has also worked for ITV, on This Morning, as a resident doctor from 2016 to 2021, co-hosting Save Money: Good Health with Sian Williams[3] and winning Cooking with the Stars in 2022.

Singh has become a prominent contributor to factual programming and documentaries, appearing on This Morning as a resident doctor and on 20 July 2018, he was a guest presenter on the show, alongside Vanessa Feltz.

[11] Outside of his work on Television, Singh has become the author of two children's educational books: Food Fuel[12] and Skelebones,[13] a Sunday Times bestselling cookbook[14] and is a contributor and columnist for Al Jazeera, Attitude magazine and NetDoctor.

[15] During the 2020 COVID-19 pandemic, Singh stepped back from his media work to focus on supporting the NHS in his role as a paediatric emergency medicine specialist.

[18] Ranj was one of the four competitors who took part in the Christmas special edition of The Great British Sewing Bee that was transmitted on Boxing Day 2020 on BBC One.

In December 2021, Singh appeared as a contestant on a Strictly Come Dancing Special that was also the first episode of the revival series of the BBC game show The Weakest Link hosted by Romesh Ranganathan.