Since moving to Kolkata, Churni has been working in the
Bengali film industry.
2004—2005 In 2004, Ganguly made her debut in Bengali cinema with the film
Waarish. The film was directed by Kaushik Ganguly. In the film, she played the role of a single mother— Medha. Medha was an ex-flame of Subhankar, who became pregnant after a rendezvous with him. Though Medha was not married with Subhankar, she denied abortion and gave birth to a son, Megh. Many years later, when she learns that she is suffering from cancer, she goes to Subhankar, (who was married to another woman at that time) and asks to take responsibility of Megh. Though the acting of Ganguly in this film was widely appreciated, it did not get commercial success. In 2005, Ganguly acted in the film
Shunyo E Buke, directed by Kaushik Ganguly. In this film, she portrayed a flat-chested woman's role and the film attempted to explore male sexual fantasy.
2007—2010 In 2007, Ganguly acted in
Jara Bristite Bhijechhilo, directed by
Anjan Das. The film revolved around lesbian relationships. In 2008, Ganguly acted in Anjan Dutt's ''
Chalo Let's Go''. This was Ganguly's first feature film in which she acted under the direction of someone other than Kaushik Ganguly. The film was a travelogue and narrated a story of a journey with nine passengers. Ganguly played the character of Miss Ganguly, a sophisticated writer. But in the film, her fellow passengers used to call her "Miss Gombhir". In the 2010 film
Arekti Premer Golpo, Ganguly played the character of Rani/Gopa. In this film,
Rituparno Ghosh and
Indraneil Sengupta acted in lead roles and the film revolved around a homosexual relationship.
2011—present In 2011, Ganguly acted in
Rang Milanti, another film directed by Kaushik Ganguly. In this film, she played the role of Kamalini, a successful Television actor. The 2013 film
Shabdo, directed by Kaushik Ganguly, was widely appreciated by critics and is remains as a landmark film. The story of the film revolved around Tarak, a
Foley artist of Bengali film industry. In this film, Ganguly played the role of Tarak's psychiatrist. Ganguly signed Kaushik Ganguly's
C/O Sir for the role of Mrs Chatterjee. Later, as she was having problem with dates, she was replaced by another actress
Sudipta Chakraborty. She also acted in
Bakita Byaktigato, directed by Pradipta Bhattacharya. This film shot like a documentary, the film traces a man's quest for love as per critics review. Pramit, an amateur documentary filmmaker, is tired of girls rejecting his propositions. Prem ki? Ki kore prem hoye? Troubled by such questions, he takes it upon himself to solve the puzzle anyhow. And this time around, he plans to make a documentary film on love. Actor Churni Ganguly debuts as a director in
Nirbashito, a bilingual film in Bengali and English, shot in Kolkata and Sweden. After many snuffed-out attempts by several filmmakers, for the first time a film on Taslima Nasrin's life was released at the ongoing Mumbai International Film Festival. The film —
Nirbashito (Banished) — is inspired by Taslima and her cat, Minu. In the film directed by Churni Ganguly, Minu is called Baghini (tigress). The author is, however, not named anywhere in the film. This film won the Best Bengali film award and the sound designer trophy at the 62nd
National Film Awards category. For her second directorial,
Tarikh, she received the National Award again - this time for Best Dialogue. Moreover,
Tarikh was one of the two films selected for the prestigious BRICS Film Festival in 2021, hosted in Rio de Janeiro. == Bengali television career ==