[4] Taneja's career finally saw a turning point in 2014, when he signed the parallel lead role of Purab Khanna in Zee TV popular daily soap Kumkum Bhagya, created by Kapoor.

Simultaneously along with Kumkum Bhagya, he was seen as Bilal Khan in another Ekta Kapoor production — Sony TV Pyaar Ko Ho Jaane Do in 2015.

In May 2018, Arjit also appeared as a guest in Zee TV talk show Juzz Baatt with Sana Saeed, Adnan Khan and Karan Jotwani.

[11] In the show Taneja's character was Azaan Akhtar Mirza, the Nawab of Bhopal which co-starred Samiksha Jaiswal and Diana Khan.

[14] Arjit then landed the lead role as Shambhu Thakur on Nath – Zewar Ya Zanjeer on Dangal TV.

Taneja was seen doing just about everything from presenting her with roses, complimenting her with his soothing words, to getting down on one knee and even cooking to impress the Hasee Toh Phasee actress.

Judges Karan Johar, Mithun Chakraborty and hosts Bharti Singh and Haarsh Limbachiya were there to assist Parineeti Chopra in taking the right decision.

When called on stage to showcase his cooking skill by making Parineeti Chopra’s favorite ‘Aloo Paratha’, Taneja was quite impressive.

Hunarbaaz: Desh Ki Shaan special episodes were aired on Saturday 26 and Sunday 27 March at 9pm and 7pm on Colors TV.

In September 2022, it was made public knowledge that Arjit would join StarPlus show Banni Chow Home Delivery which starred Ulka Gupta and Pravisht Mishra.

In July 2023, he made a cameo appearance in Karan Johar's Rocky Aur Rani Kii Prem Kahaani.

Since 27 November 2023, he is portraying Virat Singh Ahuja opposite his former Kumkum Bhagya co-actor Sriti Jha in Zee TV's Kaise Mujhe Tum Mil Gaye.