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
Politics of Tamil Nadu =Tamil national parties=== Apolitical Dravidian parties Dravidian parties originating from Justice party. Dravidian parties without roots in Justice party Congress parties Communist parties Forward Bloc parties Others Hindu nationalist parties Religious minority parties [[Category:Politics of Tamil Nadu|*]] Politics of Tamil Nadu Politics of Tamil Nadu is the politics related to the Indian state of Tamil Nadu. Indian National Congress dominated the political scene in the initial years post independence with leaders like C. Rajagopalachari and K. Kamaraj. The political influence shifted from national politics towards regional politics with rise of Dravida Munnetra Kazhagam in the late 1960s. Dravidian parties have