Economy of Tamil Nadu Main rail junctions in the state include Chennai, Coimbatore, Erode, Madurai, Salem, Tiruchirapalli and Tirunelveli . Chennai has a well-established Suburban Railway network, a Mass Rapid Transport System and is currently developing a Metro system, with its first underground stretch operational since May 2017. Tamil Nadu has a major international airport, Chennai International Airport, that is connected with 19 countries with more than 400 direct flights every day. Other international airports in Tamil Nadu include Coimbatore International Airport, Madurai International Airport and Tiruchirapalli International Airport. Chennai International Airport is currently the third largest airport in India after Mumbai and Delhi
Department of Revenue (Tamil Nadu) Department of Revenue (Tamil Nadu) The Department of Revenue of the State of Tamil Nadu is one of the Department of Government of Tamil Nadu The department was formerly known as the Tamil Nadu Board of Revenue, an agency created under Company Rule and maintained under the Raj. It was renamed in 1980. 1) Providing efficient delivery of services of various Government schemes to the people of Tamil Nadu. 2) Providing relief and implementing rehabilitation measures for those affected by Natural Calamities. 3) Functioning as the custodian of Government lands and ensuring proper maintenance of land records for the State.