The Cellular Operators’ Association of India has sought the Department of Telecommunications intervention against Navi Mumbai International Airport for alleged denial of Right of Way permissions and imposition of exclusive in-building telecom arrangements at the newly developed Navi Mumbai International Airport. New Delhi, December 31 The Cellular Operators’ Association of India (COAI) has written to the Department of Telecommunications (DoT) seeking urgent intervention against Navi Mumbai International Airport Ltd (NMIAL) for alleged.