Jul 01, 2019 Maharaja Bir Bikram Airport upgradation works The authority is implementing Agartalas Maharaja Bir Bikram Airport upgradation works. The aim to make it as an international one. Around 72 acre of land is provided by the state government for the construction of the new terminal building, runway and other necessary airport infrastructure. The works are likely to be completed by 2020. NCC Ltd is the contractor.