Justice Tashi Rabstan was born on 10th April 1963 at Village Skurbuchan, District Leh, Ladakh. He did his Graduation and LL.B from University of Jammu. He was enrolled as an Advocate on 6th March 1990 in Bar Council of Jammu and Kashmir and started practicing in the High Court of Jammu and Kashmir & various other High Courts on Arbitration, Constitution, Service, Election, Civil and Criminal matters. He remained as Standing Counsel for Ladakh Autonomous Hill Development Council, Leh from 1997 till 2005. He was appointed as Central Government Counsel, for Jammu and Kashmir High Court, Jammu Wing in September, 1998 and continued as such till his elevation. He also remained as panel counsel for Union Public Service Commission, New Delhi from April, 2008 till 31st December 2011.
Justice Tashi Rabstan was as Judge of the High Court of Jammu and Kashmir and his Lordship took oath on 8th March, 2013.