He is known for his performance as main lead Naitik Singhania in Yeh Rishta Kya Kehlata Hai, one of the longest-running Indian television serials.

[6] Mehra came to Mumbai and started working for directors Rajkumar Hirani and Ram Gopal Verma as an assistant in four movies.

[3] In 2009, while training in acting classes, he got the role of Naitik Singhania in Yeh Rishta Kya Kehlata Hai.

[8] He got a big break from the show, continued it for nearly seven-and-a-half years until June 2016 and quit then owing health issues.

[citation needed] In October 2020, Mehra started shooting for the upcoming Zee Punjabi soap Mawaan Thandiyan Chawan in Chandigarh.

[16] A complaint of domestic violence was filed against Mehra by Rawal on 31 May 2021 in Mumbai's Goregaon police station after the latter arrived with a bleeding forehead.