Born in Melli, Sikkim,[1] Tamang started playing football with the Namchi Sports Hostel before joining the Air Force Academy from 2009 to 2010.
[5] A month later, on 18 January 2015, Tamang made his competitive league debut in the I-League against Royal Wahingdoh.
[6] On 12 April 2015, Tamang scored his first competitive goal for Shillong Lajong in a 1–1 draw against Royal Wahingdoh in the I-League.
[11] Tamang made his return to football on 3 October 2018 in Pune City's opening match against Delhi Dynamos.
[12] On 2 August 2019, Tamang joined fellow Indian Super League side NorthEast United.