He has played some of the famous serials like Dwarkadheesh Bhagwaan Shree Krishn, Rishton Se Badi Pratha, Ek Hazaaron Mein Meri Behna Hai and Rangrasiya.

In 2008, he participated in the youth reality show MTV Splitsvilla in the first season, where he emerged as the winner along with Shraddha Haribhai.

Karwal made his acting debut in 2009 with a daily soap, Sabki Jodi Wohi Banata Bhagyavidhaata playing the lead as Vinay opposite Richa Soni.

[12] In October 2010, after leaving his previous show, Karwal was cast to be in Rishton Se Badi...Pratha and played the lead in the daily soap as Abhay.

"[16] In May 2012, Karwal made his debut in the Punjabi film industry with Aappan Pher Milange, which he starred alongside Gracy Singh.

"[2] He was voted out of the show in December 2012 after spending about 40 days in the Bigg Boss house, and he said in an interview with PTI, "I was not expecting to be evicted.

"[19] Though during the show, he was shown as not actively participating in the game-related politics, fights, or tasks, rather he reserved himself to lying on the sun bed a lot of the time.

[22][23] In May 2013, he replaced Akshay Dogra and played the role of Devender in Ek Hazaaron Mein Meri Behna Hai.

"[16] In 2014, Karwal was roped in for daily soap Rangrasiya opposite Sanaya Irani, portraying the negative role of Shantanu in the series.

In August 2014, Karwal acted in a short film titled Shaadi Vaadi And All That as Karan Jaitley.

[26] In November 2014, Karwal portrayed the character of Rajveer Singh Ranawat, one of the primary antagonists in the show Jamai Raja on Zee TV alongside Nia Sharma and Ravi Dubey.

[29] In December 2014, he participated in Box Cricket League as a contestant where he was in the team Chandigarh Cubs which was owned by Shiv Panditt.

In September 2015, he played a cameo appearance in Ekta Kapoor's Yeh Hai Mohabbatein as Arjit.

In March 2016, Karwal acted in a short film, Sexaholic as Amit opposite Shama Sikander.

[34][35] He then played a negative role in the daily soap, Kalash – Ek Vishwaas as Rajdeep and left the series in January 2017.

[37][38] In 2018, Karwal appeared in the daily soap, Yeh Rishta Kya Kehlata Hai playing the role of Karan.

[41] In June 2019, Karwal appeared in the sequel of the 2011 mythological series, Dwarkadheesh Bhagwan Shree Krishn – Sarvkala Sampann reprising his role of Krishna.

[44] About his future plans, he told Deccan Chronicle in November 2012, "I have a couple of Punjabi films lined up and a few serial projects as well.