Cochin International Airport is an international airport situated in the city of Kochi, in the state of Kerala, India. Located at Nedumbassery, about 25 km (16 mi) northeast of Kochi, it is the busiest and largest airport in the state of Kerala. For the financial year 2015-16, Cochin airport was the fourth busiest airport in India in terms of international passenger traffic after Delhi, Mumbai and Chennai ferrying over 4,653,948 passengers and seventh busiest airport in India carrying 7,749,901 passengers.In calendar year 2016, the passenger traffic increased to 8,732,704. On 18 August 2015, Cochin International Airport became the world's first fully solar powered airport with the inauguration of a dedicated solar plant.