Tejwani played a role in
Ekta Kapoor's serial
Ghar Ek Mandir, which was aired on
Sony TV. This was followed by appearances in Kapoor's soaps
Kabhii Sautan Kabhii Sahelii on
Metro Gold,
Kaahin Kissii Roz on
Star Plus, and
Kutumb on
Sony TV with
Gauri Pradhan. He appeared again with Pradhan in the second season of
Kutumb, and Kapoor took the same couple in her show
Kyunki Saas Bhi Kabhi Bahu Thi. When
Kutumb ended, he was offered the role of Karan Virani in Kapoor's series
Kyunki Saas Bhi Kabhi Bahu Thi on
Star Plus. In 2009, he and his wife also made a short cameo in the
Star Plus show
Kumkum – Ek Pyara Sa Bandhan. In 2006, Tejwani along with his wife Gauri participated in the second season of
Nach Baliye 2 and returned to host Season 4 in 2008. He played Anurag Basu in
Kasautii Zindagii Kay, replacing
Cezanne Khan in the role. In 2009 and 2010, he also played small or supporting roles in the shows
Jasuben Jayantilaal Joshi Ki Joint Family and
Kitani Mohabbat Hai on
NDTV Imagine,
Palampur Express on
Sony TV,
Chotti Bahu - Sindoor Bin Suhagan on
Zee TV and
Rang Badalti Odhani on
Star One. In 2011 he appeared in
Mukti Bandhan as Vicky Oberoi, where he played the
antagonist. Later that year, he was cast again by Kapoor as the lead actor of
Pavitra Rishta on
Zee TV. Tejwani was nominated for
Best Actor in Lead Role at
Zee Rishtey Awards, The Global Indian Film and TV Honours,
5th Boroplus Gold Awards,
11th Indian Telly Awards and
12th Indian Television Academy Awards. He also made a cameo appearance in Kapoor's
Kya Huaa Tera Vaada, in the role of Jatin Chopra. He appeared in the Sri Lankan television series
Pooja, playing a doctor. In 2013, he appeared in
Sanskaar - Dharohar Apno Ki as Murli. He later played Nitin Joshi in
Colors TV's
Meri Aashiqui Tum Se Hi. In 2015, Tejwani played the role of Dr. Anant in
Balika Vadhu. and also played Niranjan Chaturvedi in
Gangaa from 2015 to 2017. In 2017, Tejwani was a celebrity contestant in the
Bigg Boss 11, the Indian version of the
reality TV show
Big Brother, which premiered on 1 October. He survived for 11 weeks until he got evicted on 17 December (Day 77). In 2018, he appeared in
Colors TV's show
Tantra where he plays a role of Inspector Bharat Singh Rathore. In 2019, he portrayed Viraj Roy in
&TV's
Daayan. As of February 2019, he was a contestant on
Kitchen Champion 5 with his wife
Gauri Pradhan Tejwani. Tejwani will play a professor in the upcoming film
Nobel Peace. From 2020 to 2021, he appeared as Shiv Narayan Gupta in
Star Bharat's
Gupta Brothers.{{Cite web|title=Hiten Tejwani Is Proud Of His Ongoing Show Gupta Brothers, Deets Inside|url=https://www.koimoi.com/television/hiten-tejwani-is-proud-of-his-ongoing-show-gupta-brothers-deets-inside/ ==Filmography==