Karishma is widely known for her performance in the TV series Kyunki Saas Bhi Kabhi Bahu Thi as Indu. Initially, she performed in her debut movie Dosti: Friends Forever co-starred with Akshay Kumar and Bobby Deol. As a matter of fact, Karishma has also performed in many commercials such as Nirma, Lifebuoy, Stayfree, and many such top-rated brands.
When television career is considered, she has performed in the lead role in the TV series Kahin To Milenge. Consequently, she got a wonderful opportunity to participate in the stage comedy show Circus Season 1. Also, she is the runner up of the famous reality show Bigg Boss in season 8.
She has performed in the hit movie Grand Masti along with Vivek Oberoi through which she started being well recognized in the industry. Due to her performance in this movie, she is popularly known for her sex comedy role. Additionally, Tanna starred in the popular TV show Nach Baliye season 7. Ultimately, she was recently seen in the Jhalak Dikhla Jaa season 9. Currently, she has got a wonderful opportunity to work in the TV show Big Memsaab accompanied with Sambhavna Seth which is hosted by R. J. Pritam Singh. Later, in the year 2011, she has played the lead role in Kannada movie – I am sorry Mathe Banni Preetsona.
Her new movie, Tina and Lolo is yet to be released and being awaited with great expectation. This movie has also included Sunny Leone.