Early roles and breakthrough (2004–2013) Wahi started his acting career with the 2004 "Rose Audio Visuals" television series
Remix, where he portrayed the lead role of Ranveer Sisodia, the angry lover boy character, opposite
Shweta Gulati. The story of the show was based on the lives of 12th-grade students in an elite school for the kids of the rich and the famous, and scholarship students from poorer families. His performance in the show won him the
Indian Telly Award for GR8 Best Male Newcomer. In March 2008, Wahi was a contestant in the celebrity talent hunt show
Mr. & Ms. TV judged by filmmaker
Madhur Bhandarkar and actress
Sonali Bendre. After a break from fiction shows, Wahi made a comeback in the 2009
Colors TV's soap opera
Mere Ghar Aayi Ek Nanhi Pari as the male lead opposite
Mugdha Chaphekar. By the following year, he starred played Dr. Siddhant Modi in
Cinevistaas Limited productions'
medical drama series
Dill Mill Gayye opposite
Jennifer Winget. Wahi was also seen playing the supporting role of a fun-loving guy, Rohan in mid-December 2011 on
Sony Entertainment Television's romance-drama series
Kuch Toh Log Kahenge. The show was the Indian adaption of the Pakistani television drama series
Dhoop Kinare. In September 2011, he appeared in the travel reality show
Ritz Jee Le Ye Pal, which he won. In July 2012, he was one of the hosts of the red carpet segment for the
5th Zee Gold Awards. He was cast alongside
Kritika Kamra and
Mohnish Behl in
Kuch Toh Log Kahenge. In 2012, Wahi was paired with
Chhavi Pandey to play the lead in Shontara Productions'
anthology series Teri Meri Love Stories. Wahi entered as a wild card in the fifth season of BBC Productions' celebrity dance reality show
Jhalak Dikhhla Jaa, but was eliminated next month. He was the co-host of two seasons of the dance reality show
Nach Baliye along with
Gautam Rode He also hosted the additional series of the same show,
Sriman vs Srimati along with
Aishwarya Sakhuja.
Work as host and web expansion (2014–present) Wahi signed his first movie with
Habib Faisal's romantic comedy film
Daawat-e-Ishq in 2014. He was seen in a supporting role of a
Hyderabadi boy, Amjad alongside
Parineeti Chopra and
Aditya Roy Kapur. Wahi also signed to play the male lead opposite
Rhea Chakraborty in the 2014 romantic drama film
Babbu Ki Jawani, produced by Amritpal Singh Bindra, under the UTV Spotboy productions. In September 2015, Wahi was seen as a comedian contestant alongside
Bharti Singh in
Colors TV's comedy show
Comedy Nights Bachao. In 2016, Wahi played the lead character in
&TV's
Kahani Hamari...Dil Dosti Deewanepan Ki. Wahi has been the host of various red carpet events and awards shows including the
Indian Telly Awards and
Star Guild Awards. Along with
Mandira Bedi, he was next seen co-hosting the singing reality show
Indian Idol Junior. In 2015, he replaced
Jay Bhanushali for the second season as the host of
Dance India Dance Super Moms. Wahi was seen in two episodes of Colors Television's popular comedy talk show
Comedy Nights with Kapil. He was also a part of the winning team of the first season of the reality show
Box Cricket League. In March 2015, he participated in the reality game show
India Poochega Sabse Shaana Kaun?, hosted by actor
Shah Rukh Khan. He also participated
Fear Factor: Khatron Ke Khiladi in 2017. He ended up at 8th place. In August 2020, he participated 2nd time in
Colors TV's stunt-based reality show
Khatron Ke Khiladi - Made In India where he finished at 1st runner-up. After a gap of 6 years, Wahi made a comeback to television, in July 2022 with
Star Bharat's show
Channa Mereya as Aditya Raj Singh, opposite
Niyati Fatnani. In the same year, he played Karan Malhotra in the second season of
Never Kiss Your Best Friend opposite
Anya Singh. A critic of
Gulf News noted, "Karan is steadfast in his histrionics as a brilliant actor insecure in love." From 2023 to 2024, he appeared as Jogi opposite
Maanvi Gagroo, in the series
Half Love Half Arranged. Reviewing the second season, Bhawna Arya stated, "Karan as Jogi, brings a unique vibe to his role; however, the writing holds his character back." ==Other work and media image==