He was last seen in chandrakanta by triangle films,tantra on colors with swastik productions,currently as jolly in "kawach2" On colorstv with balajitelefilms (his 1st show with balaji) Ek Veer Ki Ardaas...Veera as Kartar Singh on Star Plus. He worked in Sadda Haq as Mr. 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 on Viacom 18.also was the face of pepsodent toothpaste as the dentist for 4 years
Harsh married to his co-star Ritu Vasishta 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 Bhramachari.
|2003 - 2005 ; 2007 - 2008||Kumkum - Ek Pyara Sa Bandhan||Rahul Wadhwa||Star Plus|
|2003 - 2006||Shararat||Raja||Star Plus|
|2004 - 2005||Reth||Zee TV|
|2005 - 2007||Shanno Ki Shaadi||Star Plus|
|2007||Mamta||Vikram Oberoi||Zee TV|
|2007 - 2008||Banoo Main Teri Dulhann||Rajeev Malhotra|
|2007 - 2008||Parrivaar||Pranay|
|2009 - 2012||Yahaaan Main Ghar Ghar Kheli||Vimal Jagmohan Prasad|
|2012||Qubool Hai||Anwar Farooqui||Zee TV|
|2012||Lakhon Mein Ek - Shilpa||Shilpa's Husband (Episode 16)||Star Plus|
|2012 - 2013||Ek Veer Ki Ardaas...Veera||Kartar Singh||Star Plus|
|2013||Jhilmil Sitaaron Ka Aangan Hoga||Chirag Vimalchand Chauhan||Sahara One|
|2013||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||Life OK|
|2015||Crime Patrol||Ankur||Sony TV|
|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 Bhagwad Mahapuran||Parikshit||Colors TV|
|Kavach... Mahashivratri||Jolly Jindal|
- 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.
- "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.