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|Years active||1993 – present|
He was last seen in Prem Ya Paheli - Chandrakanta with Triangle Films, Tantra on Colors TV with Swastik Productions, Jolly in Kavach... Mahashivratri on Colors TV with Balaji Telefilms (his 1st show with Balaji) & Ek Veer Ki Ardaas...Veera as Kartar Singh on Star Plus. He worked in Sadda Haq as Harshvardhan Shekhawat on Channel V India. He played the role of Amrit Singh in Doli Armano Ki. He was last seen in Ishq Mein Marjawan as the protagonist Aarohi's Elder Brother, Aniket Kashyap on Colors TV. He was also the face of Pepsodent Toothpaste as the Dentist for 4 years. He was last seen in Aladdin - Naam Toh Suna Hoga as Sultan Firoz, king of Turkmenistan on Sab TV.
Harsh married to his co-star Ritu Vashisht from Banoo Main Teri Dulhann and the couple have a daughter called Rakshaa. His brother is also an actor Puneet Vashisht. His father is the veteran actor Brahmachari.
|1993||Veerta||Younger Mangal singh (child actor)|
|2002||Sur - The Melody of Life||Aqib|
|2003||Jism||Frankie (Time bomb-maker)|
|2003||Baghban||Payal's boyfriend (cameo)|
|2008||Love Story 2050||Karan's friend|
|2011||Sirf Main Aur Tum||The Movie Star|
|2003||Vishwaas||Aditya Pradhan||Zee TV|
|2003 - 2005 ; 2007 - 2008||Kumkum – Ek Pyara Sa Bandhan||Rahul Wadhwa||Star Plus|
|2003 - 2006||Shararat||Raja|
|2004 - 2005||Reth||Zee TV|
|2005 - 2006||Shanno Ki Shaadi||Star Plus|
|2007||Parrivaar||Pranay Kumar||Zee TV|
|2007 - 2008||Banoo Main Teri Dulhann||Rajeev Malhotra|
|2008||Ssshhhh...Phir Koi Hai - Maa Sherawali : Part 1 & Part 2||Episode 84 & Episode 85||Star One|
|2009||Ssshhhh...Phir Koi Hai - Shikar : Part 1 & Part 2||Episode 190 & Episode 191|
|Ganesh Leela||Sahara One|
|2009 - 2012||Yahaaan Main Ghar Ghar Kheli||Vimal Prasad||Zee TV|
|2011||Mata Ki Chowki||Rudra Narayan||Sahara One|
|2012||Qubool Hai||Anwar Farooqui||Zee TV|
|Lakhon Mein Ek - Shilpa||Shilpa's Husband (Episode 16)||Star Plus|
|2012 - 2013||Ek Veer Ki Ardaas...Veera||Kartar Singh|
|2013||Jhilmil Sitaaron Ka Aangan Hoga||Chirag Chauhan||Sahara One|
|Jeannie Aur Juju||Cameo||SAB TV|
|2013 - 2014||Oye Jassie||Rahul Malhotra||Disney Channel India|
|2013 - 2015||Doli Armano Ki||Amrit Singh||Zee TV|
|2013 - 2016||Sadda Haq||Harshvardhan Shekhawat||Channel V India|
|2014||Savdhaan India||Satyendra Singh (Episode 675)||Life OK|
|2014 - 2015||Mere Rang Mein Rangne Waali||Mohan Bhanwari Chaturvedi|
|2015||Crime Patrol||Ankur||Sony TV|
|2015||Maan Na Maan Main Tera Mehman||Yatin||Disney India|
|2016||C.I.D. - Dream Murder||Chamata (Episode 1362)||Sony TV|
|2016||Savdhaan India||Dr. Virat Agarwal (Episode 1765)||Life OK|
|2016||Sanyukt||Parimal Govardhan Mehta||Zee TV|
|2017||Prem Ya Paheli - Chandrakanta||Maharaj Jai Singh||Life OK|
|Ishq Mein Marjawan||Aniket Kashyap||Colors TV|
|2018; 2019||RadhaKrishn||Sridama||Star Bharat|
|2018 - 2019||Tantra||Ashutosh||Colors TV|
|2019||Shrimad Bhagwat Mahapuran||Parikshit|
|Kavach... Mahashivratri||Jolly Jindal|
|2020||Aladdin – Naam Toh Suna Hoga||Sultan-e-Turkistan / Sultan Firoz||SAB TV|
- Tellychakkar Team. "Happy Birthday to Harsh Vashisht and Nazneen Patel". tellychakkar.com.
- "Harsh Vasisht". FilmiBeat.
- "Celebrity Photo Gallery, Celebrity Wallpapers, Celebrity Videos, Bio, News, Songs, Movies". in.com/.
- "Read the Latest Bollywood News - Tv Serials - Reviews - Interviews and Much more". Apne TV.
- Tellychakkar Team. "Kartar to get beaten up; character to mark an exit in Star Plus' Veera". tellychakkar.com.
- "Harsh Vashisht and Simple Kaul reunite". indianexpress.com.
- Tellychakkar Team. "Harsh Vashisht to don an elderly character for Channel [V]'s Sadda Haq". tellychakkar.com.
- "Harsh Vasishtha to enter Aladdin: Naam Toh Suna Hoga; says 'getting a chance to explore comedy again' - Times of India". The Times of India. 26 August 2020. Retrieved 3 October 2020.
- "Puneet Vashistha: I don't even remember Irrfan Khan in the old 'Chandrakanta'". Times of India. Bennett, Coleman & Co. Ltd. Retrieved 15 November 2020.
- "Veera: Will Ratan be forced to marry Kartar Singh?". bollywoodlife.com. 29 July 2013.
- "Harsh Vashisht roped in for Rajshri's next Movie Review". The Times of India.
- Tellychakkar Team. "I will only pick up a role if it has enough meat: Harsh Vashisht". tellychakkar.com.
- Tellychakkar Team. "Harsh Vashisht and Simple Kaul to play a star couple in a Disney show". tellychakkar.com.