He was the legal adviser to the Chief Minister Lalbabu Raut and the Convener of Bill Drafting Facilitation Committee in Madhesh Province.

It had challenged the decision of the Ministry of Forest to merge the Sagarnath Forestry Development Project with Timber Corporation of Nepal.

More than hundred cases of citizenship he fought at Supreme Court including on inclusion and social justice.

[14] In an interview with BBC media, translated and transcribed by Nepali Timesm he writes: "Halt constitution-drafting' Advocate Dipendra Jha with Rabindra Mishra in BBC Nepali Service, 9 September" He has been quoted and mentioned in several news reports and interview of several media, including Al Zajeera English,[15] AFP news,[16] The Kathmandu Post,[17] The Himalayan Times,[18] Hindustan Times,[19] The Times of India[20] etc.

But THRD Alliance played crucial role during the Madhesh Movement in his leadership and documented several human rights violations and presented to UNOHCHR in Geneva.

He filed Early Day Motion(EDM) in the British Parliament against human rights violation and discriminatory content of the constitution.

As author, he also wrote Op-Ed on current affairs of politics, constitution, human rights, rule of law and democracy for The Kathmandu Post[23] and its sister publication Kantipur in Nepali language and other online news portals, including Online Khabar and Setopati.

He resigned from the post of Chief Attorney of Madhesh Province on September 3, 2022 and joined Janta Samajwadi Party led by Upendra Yadav.

Jha moved back to Kathmandu for his legal practice and he left political career by resigning from Janta Samajbaadi Party.

His father Udita Narayan Jha got retired from Nepal food cooperation as a junior clerk -Subba and his mother Kula Devi is from India Bihar.