infrastructure for this huge Airspace is undertaken by CNS, Kolkata with installations at Remote stations located in the Eastern & North- East Region and beyond. In fact, with active persuasion from CNS, Kolkata ADS-B data from COCO Islands & SITTWE in Myanmar is now integrated with the Kolkata Automation system. The ANS infrastructure and data/voice connectivity (i.e. Communication, Navigation, Surveillance and Automation) to manage this coverage is provided and maintained by CNS, Kolkata. Facilities provided by CNS Kolkata VHF/VCS Navaids Surveillance: Automation HF transmitter & receiver & HRFT CNS stores Upper airspace harmonization Single continuum upper airspace in Kolkata Integration of surveillance data & VHF in ATS automation system Seamless surveillance coverage over Kolkata FIR Seamless vhf coverage over Kolkata FIR VHF coverage MPLS cloud architecture Advanced surface movement guidance control system (ASMGCS) Upgradation to CAT-iiib ILS with augmented ASMGCS facility Aviation safety The Aviation Safety Directorate in the region takes care of many responsibilities which are essential for the functionality of the Airports. Like it performs safety audits of all eastern region airports including RCS airports and CNS vital installation stations and monitoring of all AVS-ER audit observations. It also conducts yearly Safety Management System (SMS) training and provides assistants to all field stations to conduct safety assessments of different projects whenever required. Apart from this, the Aviation Safety Directorate also conducts the quarterly Regional Safety Committee meeting, and yearly aviation safety week and is responsible for the vetting of safety assessment documents of all Eastern Region Airports among others. Operations Operations Department consists of: Management of Air-side, Terminal/City side, Slot Allocation & Airport Operations Control Centre (AOCC), Public Grievances, RTI and Quality Management Issues Functions of the Operations Department include: To ensure serviceability of all operational/Passenger Facilities at all the times at AAl Airports Airside Management at all AAl Airports Terminal Management of all AAl Airports Commissioning and operationalization of AOCC at AAl Airports Safety Management and coordination with all AAl Airports Plan and project the requirements regarding construction/up-gradation of the aerodrome and related facilities for safe aircraft operations To advise and assist top management in framing corporate policies on Terminal Management of all AAl airports. Monitoring implementation of ICAO standards and recommended practices (SARP's), and Civil Aviation Regulations (CAR's) formulated by Director General Civil Aviation (DGCA) for Aerodrome Operations and Airport Management. Coordinate with DGCA for safety assessment on the planning, construction& commissioning of changes to airport