The correct answer is D. Kerala has several international airports, including Cochin International Airport (Kochi), Trivandrum International Airport (Thiruvananthapuram), and Calicut International Airport (Kozhikode).
Cochin International Airport (COK) is the largest international airport in Kerala. It is located in Nedumbassery, about 28 kilometers from Kochi city. The airport is a hub for Air India Express and IndiGo. It also serves as a focus city for Qatar Airways and Emirates.
Trivandrum International Airport (TRV) is the second largest international airport in Kerala. It is located in Thiruvananthapuram city. The airport is a hub for Air India. It also serves as a focus city for IndiGo and SpiceJet.
Calicut International Airport (CCJ) is the third largest international airport in Kerala. It is located in Kozhikode city. The airport is a hub for Air India Express. It also serves as a focus city for IndiGo.
All three airports are well-connected to major cities in India and abroad. They offer a variety of facilities and services to passengers, including check-in counters, baggage claim, duty-free shops, restaurants, and lounges.