The High Court of Judicature at Madras, one of the three High Courts in India established at the Presidency Towns by Letters Patent granted by Her Majesty Queen Victoria, bearing date 26th June 1862 ( The Charters of the High Court of Judicature at Madras (104 MB) PDF file that opens in new window ), is the highest Court in the State of Tamil Nadu, exercising Original Jurisdiction over the City of Madras and Appellate Jurisdiction over the entire State as well as extra-ordinary Original Jurisdiction, Civil and Criminal, under the Letters Patent and Special Original Jurisdiction for the issue of writs under the Constitution of India.