Efforts are on for setting up of the 18 Greenfield airports which includes Mopa in Goa, Navi Mumbai, Shirdi and Sindhudurg in Maharashtra, Bijapur, Gulbarga, Hasan and Shimoga in Karnataka, Kannur in Kerala, Durgapur in West Bengal, Dabra in Madhya Pradesh, Pakyong in Sikkim, Karaikal in Puducherry, Kushinagar in Uttar Pradesh, Dholera in Gujarat and Dagadarthi Mendal, Nellore Dist., Bhogapuram in Vizianagaram District near Visakhapatnam and Oravakallu in Kurnool District, Andhra Pradesh. The Centre has granted "in principle" approval for these airport development. The Government of India has granted "site clearance" approval for setting up airport at Machiwara, Ludhiana Airport, Itanagar in Arunachal Pradesh, Jamshedpur in Jharkhand, Alwar in Rajasthan and Kothagudem in Telangana.