[4] Karishma began her modelling career at the age of 16 and worked for an adult magazine like Just Seventeen and other projects in Essex.

A celebrity management company, Matrix India Entertainment commented, "As she has an excellent complexion, she'll be in skin and beauty product ads.

"[12] She did TV advertisements & promotional campaigns for brands like Dove, Pond's, Wella Hair Color, Titan Xylus, Diesel, Tanishq, Saffola, Sagar Sarees, Rang Sarees, Alapatt Jewels, Kalyan Silks, Elmore, Achakottil Jewels, CMR Grand, and Sobha Wedding Galaxy[6][10] As a brand ambassador for Dove, she was featured on huge billboards & hoardings in major cities across India.

[14][15] Karishma was next hired by VVF Limited for the television advertisement of their bathing soap bar, Jo.

[19] She appeared as the cover girl on FHM (India) in the April 2013 issue that captioned "IPL's hottest presenter - Karishma Kotak."

Indian cricket commentator and journalist, Harsha Bhogle also collaborated for the event sharing expertise on player and team strategies.

[28] In 2007, she appeared in an English-Hindi music video titled Belly Dancing by reggae DJ Apache Indian.

[31] Karishma Kotak was also seen in the movie Freaky Ali paired opposite actor, producer Arbaaz Khan[32] After getting some initial TV exposure in London doing The Karisma Show,[10][better source needed] Karishma worked as a presenter for India-related TV show known as Spa Diaries, targeted to high-end international audiences.

[2] However, she had to make an emergency exit from the Bigg Boss house after spending nearly four weeks due to her father's demise.

[37] Reacting about her eviction, she commented in an interview, "I would have definitely liked to stay till the end, but I can't complain.

[39] Talking about the recognition she received at the show, Karsishma told The Times of India, "Work has increased and yes, life has changed in terms of opportunities that are coming my way.

"[40] Karishma presented televised show called Extraaa Innings T20, a post match analysis of Indian Premier League 2013 - season 6 in April–May 2013.

The show was telecast by SET Max and also featured Rochelle Maria Rao, Samir Kochhar and Gaurav Kapoor as her co-hosts.

[45] Karishma likes to stay fit by good diet, doing one hour spinning classes 5 days a week, and eating healthy.