According to the Airport Council International (ACI), a non-profit organisation of the airport operators reports, Delhi airport is adjudged as one of the cleanest airports in the Asia Pacific region. New Delhis Indira Gandhi International Airport (IGIA) has captured the Airport Service Quality (ASQ) best airport award for 2022 in the category of over 40 Million Passengers Per Annum (MPPA). A group of companies lead by GMR Airports Infrastructure Limited owns Delhi International Airport Limited (DIAL).DIAL, in an official statement said, “The ASQ programme is the worlds leading airport customer experience measurement and benchmarking programme. This recognition is based on live research via surveys gathered at the airport – direct from the traveller – rating their satisfaction on the day of travel.”Tiruchirappalli International Airport has been rated the best in the Asia Pacific area in the category of under 2 million passengers, according to the Airports Authority of India. The airport is run by the government-owned AAI.The survey was conducted on the basis of 30 performance points indicators, which includes the passengers experience at the airport, whether it is finding their way, check-in, or dining offerings etc.Based on more than 465,000 surveys that were gathered, 75 airports in total earned more than 144 honours globally in 2022. The cleanest airport award went to Delhi Airport, while no other Indian airport made the winners list in any new categories.What is Airport Council International (ACI)Airports Council International (ACI) is an organization of airport authorities aimed at merging industry practices for airport standards. Key initiatives include of ACI includes, Airport Service Quality Awards (ASQ), based on passenger satisfaction ratings, and safety enhancement (APEX). Economic policy, operational security, carbon certification, and passenger transit are all other projects. Next Experience in Travel and Technology (NEXTT) uses processing technology and interactive decision-making to manage the flow of people, goods, luggage, and aeroplanes.The ACI also helps the airport to improve their management and flow of passengers, baggage, cargo, b providing the set of best practices together.What is Airports Excellence Program (APEX)The Airports Excellence Program (APEX) in Safety was originally introduced by ACI in 2012. The programme helps airports increase their level of safety by offering support. It is based on an analysis of airport infrastructure and operational shortcomings in view of International Civil Aviation Organization (ICAO) requirements and safety best practises. Via peer evaluations, information exchange, training, and support with the implementation of management structures, ACI gathers and dispatches a team from the ICAO and other airports to work on-site to identify and address safety weaknesses. It addresses the organisation, implementation, and operation of the safety management system in the areas of physical characteristics and pavement management, air rescue and firefighting, wildlife management, apron management, documentation, record keeping, and security management systems. ACI introduced the APEX in October 2017.All about Indira Gandhi International AirportThe main international airport serving the capital of India, and the National Capital Region is Indira Gandhi International Airport (NCR). The former Indian Prime Minister Indira Gandhi (1917–1984) is honoured by having the airport on her name.Since 2009, Indira Gandhi International Airport has seen the most passenger flow of any airport in India. In terms of freight traffic, it is also the busiest airport in the nation after passing Mumbai in late 2015. According to the most recent statistics published by the UK-based air consultancy firm, as of 2022, it is the sixth busiest airport in the world.The GMR Group-led partnership known as Delhi International Airport Ltd (DIAL) assumed control of the airport in May 2006. Before the Airports Authority of India took over management of the airport, the Indian Air Force was responsible for its operation.