Notes: The Vishakhapatnam railway station in Andhra Pradesh has been adjudged as the cleanest railway station among the 75 busiest stations in the country in category A1, followed by Secunderabad, Jammu Tawi, Vijayawada and Anand Vihar railway stations. This was revealed by Third Party Audit Report on Station Cleanliness i.e. released by Ministry of Railway in New Delhi on May 17, 2017. The railway stations are categorised — A1, A, B, C, D, E and F — based on their annual passenger revenue by the ministry. Among the ‘A’ category stations, Beas railway station in Punjab was rated the cleanest station followed by Khammam station in Telangana and Ahmednagar station in Maharashtra. Zone wise South-East Central railway has been ranked first followed by East Coast railway and Central Railway. The survey was carried out by the Quality Council of India (QCI) and was based on criteria such as toilets on platforms, management of tracks and dustbins.