He has been referred to in the media as "Munna"[1] Jha began his career with appearances in several television series in the late 1990s.

Early in his career, Jha was recognized for portraying serious and villainous roles in the television series like Mahakabi Vidyapati (1998), Pritam (1999) and Mamta (2001).

He then starred in a series of drama, including Pach Patra (2007), Ek xal Ghadaaha (2008), Xutaha Ghail (2008), Okara Agankak Bharah Masha (2009) and Oo Khali Muh Dekhai Xai (2009).

Jha went on to act in Aaig Dhadaik Rahal Xai (2010), Kappar Coat (2010), Dom Kakxa (2010) and Push Jharh Ki Magh Jhar (2010).

Many of his films display themes of Nepali national identity and connections with communities, or gender, racial, social and religious differences and grievances.

During his classes, he had got an opportunity to cast a role in the movie Pinjar (film) but he left it due to his college rules.

Next day, Jha was signed for a lead role by director Pradeep Bhattarai for the movie Jatra .

He has been involved in movie Sunkesari,[9] Kohalpur Express, Jatrai Jatra,[10] Sherbahadur,[11] Dui Rupaiya.