Although the character of Rani was fifteen, Mohindra was actually nineteen when she took the role. Rani was the actress' first ongoing TV role after one-off appearances in shows such as Coronation Street. She also appeared in a 2009 episode of Law & Order: UK alongside Freema Agyeman, and had a recurring guest role in the adult-oriented series Beaver Falls.
Soon after playing Rani, in February 2012, she appeared as a new character, Gabriella Dominicci, in the Big Finish Productions audio drama Brand Management, an episode of the Bernice Summerfield box set Road Trip.
Additionally, she narrated the Sarah Jane Adventures audiobook Judgement Day, the SJA webcomics Monster Hunt, Return of the Krulius, Defending Bannerman Road and the SJA video games Plants, Plant and Animal Habitats, Teeth and Eating and Rocks and Soils.