The new terminal building is expected to be complete by 2021.
The foundation stone for the building was jointly laid today by Raju and Assam Chief Minister Sarbananda Sonowal.
The new terminal will boost air connectivity to a great extent, Raju said.
"We have become the fastest growing aviation sector in the world and third in domestic traffic. Our aviation team works hard at all levels. Within three-and-half years, 18 airports have already started functioning under the present government," he added.
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The interiors of the building will depict local handicraft, murals and popular tourist destinations of Assam.
The new terminal will have 64 check-in counters, 20 self check-in kiosks, eight immigration counters, eight customs counters, six arrival carousels, 10 escalators, one travellator, 25 elevators, 16 self-baggage drop counters and 20 aircraft parking bays, among others.
Sonowal said improvement in air connectivity would receive a major impetus and it would lead to emergence of Guwahati as the gateway to South East Asia.
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