Kavita Kaushik had started modeling, hosting events and anchoring during her college days. In 2001 she appeared in auditions in the New Delhi for Kutumb and moved to Mumbai. After her work in the soap opera, Kutumb, Kaushik was seen in Kahaani Ghar Ghar Kii, portraying the role of Manya Doshi.

In her initial days in the industry, Kaushik was offered mostly glamorous and negative roles owing to her tall frame and appealing personality. She started her stint as Chandramukhi Chautala in F.I.R. in 2006 which proved to be a watershed role in her career and it marked a break from the negative roles that she was being offered at that time. The sitcom proved to be a commercial and critical success, completing 1000 episodes. The role of a gusty female cop who speaks in a Haryanavi accent made Kaushik a renowned face of Indian television and won several accolades for her.

Post after FIR, Kavita was seen participating in the popular celebrity dance show, Jhalak Dikhhla Jaa in 2015. She was eliminated in 2nd week. She later hosted a show Fakebook with Kavita. She made news after storming out of the Jhalak stage during its grand finale in October 2015 after Comedy Nights Bachao insulted her and turned her mike off.

Kavita made a debut in Bollywood with the 2004 film, Ek Hasina Thi playing Saif Ali Khan's girlfriend.

In addition to her various television roles, Kaushik has played minor roles in films like Phillum City and Mumbai Cutting. She has even performed to an item song, Shakila Bano, in Apoorva Lakhia's Zanjeer (2013).

Kaushik starred in a Bollywood film titled Lollipop Since 1947. The film, which was directed by Anirudh Chautala, is a political satire set in a lower middle-class household where Kaushik plays wife to actor Deepak Dobriyal. The release date of the film is yet to be declared. Kaushik made a debut in the Punjabi film industry with the film Vekh Baraatan Challiyan