Kaushik is well known for her portrayal of Chandramukhi Chautala in SAB TV's sitcom F.I.R., a role which established her career in the television industry and made her a household name.

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

In her initial days in the industry, Kaushik was offered mostly glamorous and negative roles owing to her tall frame and appealing personality.

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.

Kaushik made a comeback in FIR donning her previous role of Chandramukhi Chautala in July 2013 while Rawat was asked to quit the show.

Kaushik stormed out of the Jhalak stage during its grand finale in October 2015 after the Comedy Nights Bachao team insulted her and turned her mike off.

Kaushik said: "Yes it's true, I am totally against shows like the roast where national personalities are insulted with cheap comments, people do it but I don't have any such majboori nor am I comfortable projecting myself in a shallow manner to create content or money.

I had signed Jhalak and not "Bachaao", without my permission or a brief some random people threw a volley of insults at me and when I tried to retaliate they cut power off my Mike.

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.

In 2017, Kaushik made a celebrity guest appearance for Sakshi Tanwar's cooking reality show, Tyohaar Ki Thaali as a contestant.

[32] Kaushik was in a relationship with fellow television actor Karan Grover and they participated in celebrity couples dance reality show Nach Baliye 3.