[20] In October 2014, Gangtok Himalayan participated in Sikkim Governor's Gold Cup and reached to the semi-finals, but their journey ended with a 2–1 defeat to ONGC FC.
This move began a new chapter for Gangtok-based side as they became one of first professional football clubs from the North East India.
[35][36] In that year, Gangtok Himalayan lifted Independence Day Football Tournament trophy defeating Sikkim Aacraman FC via penalty shoot-out.
The All India Football Federation were all set to invite bids for vacant spots in the I-League and Gangtok-based Sikkim Himalayan was one of the front-runners to join, but it was not materialized.
One of their most memorable matches was on 9 November 2019 during Sikkim Governor's Gold Cup, and Gangtok Himalayan won by 3–1.
[50] For I-League 2nd Division, the club announced that they would play their home matches at the 30,000 seater Paljor Stadium in the capital of Sikkim, Gangtok.