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Times Of India (India). 15 April 2010 [2012-08-21]. （原始内容存档于2018-12-25）. Railway Unit. Official webpage of Indian Railways. [6 June 2009]. （原始内容存档于2018-12-25）
conversion Between Viluppuram- Vellore Cantt section Tiruchchirappalli division: Southern Railway (PDF). Research Design and Standards Organisation. Lucknow: Geo-technical