Efforts are on to develop Thuthukkudi (Tuticorin) Airport as the fifth international airport in Tamil Nadu.<br />''<br />''Airport Director N Balsubramaniam told media in Thuthukudi today that the airport is likely to be declared as an international airport within four years.<br />''<br />''He said that as the first step, night landing facilities will commence from Thuthukudi by next May.<br />''<br />''<span style="color: #222222;">International flights are already being operated from four airports of the state including Chennai, Coimbatore, Madurai and Trichy.</span><br />