[3] Sethi has also acted in films such as Dhadkan (2000), Om Jai Jagadish (2002), Lakshya (2004), Baabul (2006), Dil Dhadakne Do (2015), Rustom (2016), Laila Majnu (2018) and Bhangra Paa Le (2020).

[4] Apart from films, he is also active in television shows and has appeared in Dastaan (1995-1996) and Jassi Jaissi Koi Nahin (2003-2006), Detective Omkar Nath (2006), Sujata (2008), Pehredaar Piya Ki (2017), My Name Ijj Lakhan (2019), Special OPS (2020) and Hundred (2020).

[8][9][10] Sethi made his Bollywood debut in the award-winning film Dilwale Dulhania Le Jayenge (1995), portraying the role of Kuljeet Singh.

[17] In 2005, he participated in the first season of Indian television dance reality show Nach Baliye with his wife Archana Puran Singh.

[19] In 2010, he tried his first directorial venture, Yash Raj's Badmaash Company starring Shahid Kapoor, Anushka Sharma and Meiyang Chang, which was a success at box office earning 530 million Indian rupees.

[25] Sukanya Verma of rediff gave the film 2 out of 5 stars saying Sethi's directorial debut starts out with cocksure confidence and zing.

[26] Nikhat Kazmi of the Times of India gave the film 3 out of 5 stars and said, "Indeed, Badmaash Company does have a bunch of riveting scenes, although the story does follow a very predictable line of crime and punishment/repentance.