What is a CCU? A CCU, or critical care unit , is a special type of hospital unit that specializes in providing intensive care to patients who are critically ill. Patients who are in a CCU typically require around-the-clock care, and may be kept on a ventilator or other life-support equipment. Informational guide dedicated to Kolkata Airport - Calcutta Airport - Netaji Subhas Chandra Bose International Airport ( CCU ). All the information you need to know about Flight Arrivals and Departures, Terminals, Airport Facilities and Services, Parking, Transport, Maps, Car rental CCU stands for Critical Care Unit, a hospital unit that takes care of seriously ill patients who need special treatment and monitoring. Learn about the benefits, equipment, treatment, staff and challenges of CCU , and the difference between CCU and ICU. Netaji Subhas Chandra Bose International Airport (IATA: CCU , ICAO: VECC) (Bengali pronunciation: [netad͡ʒi suβaʃ t͡ʃɔndro boʃu antord͡ʒatik bimanbɔndor]) is an international airport serving the city of Kolkata and the Kolkata metropolitan area, the capital metropolis of the Indian state of West Bengal. It is the primary aviation hub for eastern and northeastern India. It is located in Dum Dum and in proximity to Jessore Road, approximately 16 km (9.9 mi) from Dalhousie Square and ...