2001–2013: Early work and television career Tanna first appeared in
Balaji Telefilms' soap opera
Kyunki Saas Bhi Kabhi Bahu Thi where she played the role of Indu. She then appeared in the show
Kahi To Milenge. Tanna played the female lead in the TV series
Kkoi Dil Mein Hai as Krutika. She later appeared in
Ek Ladki Anjaani Si playing the negative role of Ayesha. Tanna made her
Hindi film debut in
Dosti: Friends Forever (2005), playing Nandini Thapar. In the same year she played the lead in
Paalkhi. Tanna has also acted in several television advertisements, including
Stayfree,
Lifebuoy and
Nirma. She was also a part of
Rajshri Productions'
Pyaar Ke Do Naam: Ek Raadha, Ek Shyaam. In September 2006, Tanna made her theater debut with the
Hinglish romantic comedy
Perfect Wedding, directed by Vandana Sajnani. The work was adapted from Robin Howdon's British play of the same name. Tanna participated in the stage-based comedy TV series
Comedy Circus, that started in June 2007. She later came back in
Comedy Circus Mahasangram in February 2010. In 2008, she participated in
Zara Nachke Dikha and won the show along with her team. She later participated in
Kaun Jeetega Bollywood Ka Ticket and
Kaho Na Yaar Hai. She presented reality shows like
Kaante Ki Takkar and
Comedy Champions. Tanna hosted a magic-based
reality TV show, ''
India's Magic Star'' in July 2010. In August 2010, she participated in
Imagine TV's
Meethi Choori No 1. She also played the role of Avni in
Star One's
Jaane Pehchaane Se... Ye Ajnabbi. In 2011, she participated in
Zor Ka Jhatka: Total Wipeout. The same year, she played Ms Jaffery in
Sony TV's
Adaalat. In 2012, she acted in the children's television program
Baal Veer, playing the role of Rani Pari.
2014–present: Naagin 3 and further work Cute Tanna was a contestant on the popular controversial reality show,
Bigg Boss 8. She spent 4 months inside the house and became the winner 1st runner-up. In 2015, Tanna participated in the dance reality show
Nach Baliye 7 along with
Upen Patel and emerged as the 2nd runner-up. In March 2016, Karishma made a guest appearance in the popular stunt reality show
Fear Factor: Khatron Ke Khiladi 7. She also appeared as a guest in the popular comedy show
Comedy Nights Bachao, which aired on
Colors TV. Karishma participated in the popular dance reality show
Jhalak Dikhhla Jaa 9 in 2016. Tanna also played the role of Maskeeni in
Life OK's show
Naagarjuna – Ek Yoddha. In January 2017, Tanna judged
BIG Magic's reality show
Big Memsaab along with
Sambhavna Seth and Pritam Singh. In April 2018, she appeared in
ALT Balaji's
Karrle Tu Bhi Mohabbat as Zoya Hussain. In May 2018, Tanna played the cameo role of Ruhi in
Colors TV's popular supernatural series
Naagin 3. In June 2018, Tanna acted in Rajkumar Hirani's film
Sanju In February 2019, Tanna appeared on
Kitchen Champion 5 along with
Karan Tacker. Later in May 2019, she appeared on
Khatra Khatra Khatra. In 2020, she participated in
Fear Factor: Khatron Ke Khiladi 10 and emerged as the winner. In 2021, Tanna appeared in the web series
Bullets as Lolo. In 2023, she is seen in
Hansal Mehta's web series '
Scoop' released on
Netflix, where she plays an accused Gujarati crime reporter. == Personal life ==