The initial concession period is 30 years, from the appointed date, which is extendable by another 10 years, for the project in which GVKPIL was declared the successful bidder in February 2017. The NMIAL, a greenfield airport, will be constructed in the PPP mode on 1,160 hectares on the mainland in vi Mumbai, across the Mumbai harbour, with the advantage of the upcoming Mumbai Trans Harbour Link, a Special Economic Zone and other major infrastructure developments coming up. (IANS)