Karma was appointed as the Project Manager of JSW Law Project (JSWLP) on 4 November 2014. He was transferred to JSW Law on secondment from the Ministry of Labour and Human Resources (MoLHR).  He had resigned from the civil service in December 2018 and was reappointed as the Project Manager on 1 November 2019 as per the Royal Kasho and on a contract initial term for 3 years or till the completion of Project, whichever is less. Further, he was reappointed as Project Manager on 1 January 2022 for a period of three years.

He completed his Diploma in Civil Engineering from the then Royal Bhutan Polytechnic (Jigme Namgyel Engineering College), Deothang, Samdrupjongkhar, Bhutan in June 1994. Having served as the Instructor and Site Engineer for one year, he received a scholarship to pursue his Bachelor Degree in Civil Engineering from Regional Engineering College-Warangal, Kakatiya University, Andhra Pradesh, India. Following which, he served as a Lecturer and Site Engineer at the then Royal Bhutan Institute of Technology (College of Science and Technology), Rinchending, Phuentsholing, until September 2022. He was then transferred as the Principal of Construction Training Centre (CTC) under the then National Technical Training Authority (NTTA), which later became MoLHR till December 2006. In 2007, he received an AusAID Scholarship to pursue his Post Graduate Diploma and Master of Public Administration from Australian National University (ANU), Canberra, Australia. Returning back to Bhutan, he continued to serve as the Principal of the CTC, which was by then renamed as the Construction Service Centre (CSC) until 2011. Coinciding with the closure of the CSC, he was appointed as the Chief Programme Officer of Vocational Education and Training Programme (VETD) under the Department of Human Resources (DHR), MoLHR until the transfer to JSW School of Law.