Detailed Solution:
The correct answer is “Kushinagar Airport”.
The Union Cabinet chaired by the Prime Minister gave its approval for the declaration of Kushinagar Airport in Uttar Pradesh as an International Airport in June 2020.
It is 52 kilometres east of Gorakhpur Airport, 47 kilometres east of Gorakhpur, 34 kilometres north of Deoria, 60 kilometres south west of Bettiah and 64 kilometres west of Gopalganj.