Solution

Donyi Polo Airport, Itanagar-  It is a domestic airport serving Itanagar, the capital city of Arunachal Pradesh, India.  It is located at Hollongi, situated 14 km south from the city centre, in the Papum Pare district. The airport is named after Donyi Polo, the supreme deity of the Tani people, the indigenous people of Arunachal Pradesh. The name "Donyi Polo" means "Sun and Moon" in the Tani language.  In November 2022, the Union Cabinet, chaired by the Prime Minister Narendra Modi, approved the naming of Greenfield Airport at Hollongi, Itanagar as Donyi Polo Airport, Itanagar. (Hence option 4 is correct)