Dimapur, Dec. 21 (EMN): The Nagaland State Transport (NST) informed that the state helicopter service would not be available for regular schedule/ sortie as well as for chartering in view of Christmas and New Year holiday and for technical maintenance of the helicopters. NST general manager Atovi Kiba Sema informed that the helicopter services would not be available from December 24 to the 26th and from December 31 to January 2.
