[1] Mein holds the portfolio of Finance & Investment, Power & Non Conventional Energy Resources, Tax & Excise, State Lotteries, and Economics & Statistics.

[8][9][10] However, in a fast-paced development, a BJP Government was established in the state, after 33 out of 43 PPA MLAs joined the party.

[12] Chowna Mein was born on 2 December 1950 at Sunpura, Lohit district, Arunachal Pradesh to a Tai Khamti family.

[13][14] At the time, Arunachal Pradesh was renamed from North East Frontier Agency (NEFA) and made a Union Territory (UT).

Mein is an alumnus of Don Bosco School, Guwahati and Jawaharlal Nehru College, Pasighat.