Complex sentence: Other international airports present in the state are Coimbatore International Airport and Tiruchirapalli International Airport, Madurai International Airport is a customs airport and Salem Airport and Tuticorin Airport are domestic airports which connect their respective cities to other parts of the country.
Split into simpler sentences: Other international airports present in the state are Coimbatore International Airport and Tiruchirapalli International Airport. Madurai Airport is a customs airport while Salem Airport and Tuticorin Airport are domestic airports which connect their respective cities to other parts of the country.