Career
Gamang was born on 31 March 1961 in Khilapadar in Koraput district, Odisha. Gamang is an intermediate graduate and completed her schooling from Rama Devi Women"s College, Bhubaneshwar, Odisha. Gamang was elected to the 13th Lok Sabha in 1999.
From 1999-2000, she was a member on the Committee on Urban and Rural Development.
Then, from 2000–2004, she served as a member on Consultative Committee, Ministry of Steel.