Complex sentence: It is being built on a Public Private Partnership (PPP) model by the Kannur International Airport Ltd (KIAL) and will be the fourth and largest international airport in Kerala after Calicut, Cochin and Trivandrum.
Split into simpler sentences: It is being built on a Public Private Partnership (PPP) model by the Kannur International Airport Ltd (KIAL). Once completed it will be the fourth and largest international airport in Kerala after Calicut, Cochin and Trivandrum.