Multiple choice general knowledge what is the airport code of - Bhubaneshwar, Orissa BHU BNS BBI BHNSR Reveal answer Fill a bubble to check yourself C Correct answer Explanation BBI is the IATA airport code for Biju Patnaik International Airport in Bhubaneshwar, Odisha. The code derives from the city name with 'I' inserted to meet the three-letter IATA standard. BHU and BNS are plausible but incorrect constructions.