In 2014, Kamin was elected from Bordumsa-Diyun (Vidhan Sabha constituency) Bordumsa-Diyun seat in 2014 Arunachal Pradesh Legislative Assembly Election. In 2019 Arunachal Pradesh Legislative Assembly Election, he lost his seat to Independent candidate Somlung Mossang.
He has again contested from Diyun Bordumsa General constituency from Nationalist Congress Party (NCP-Ajit Pawar) in 2024 Arunachal Pradesh State Legislative Assembly Election where he won the seat again by defeating sitting MlA and BJP candidate Somlung Mossang.]].[2][3][4]