The East Garo Hills District is one of the 11 (eleven) districts of the state of Meghalaya. The East Garo Hills District was upgraded from a sub-division to a full fledged district on 22nd October, 1976, after the erstwhile Garo Hills District was reorganized with a view to bring the administration closer to the people. The District headquarter is a neatly planned township. It has been christened as Williamnagar after Captain Williamson A. Sangma, the first Chief Minister of the State of Meghalaya. The original inhabitants of the District are Garos who constitute the major bulk of the population. The Garos prefer to call themselves ‘A.chik’. The other original inhabitants are the Rabhas, Koch, Hajong.
The District Legal Services Authority, Williamnagar has been established under the aegis of the Meghalaya State Legal Service Authority. The District & Sessions Judge is the Chairman and the Chief Judicial Magistrate is the Secretary of the District Legal Services Authority, East Garo Hills.
Prior to the separation of the Judiciary from the Executive, civil and criminal powers were exercised by the Deputy Commissioner and the Assistants to the Deputy Commissioner. There are at present 3 police stations, 1 out post and 1 check post, falling under the jurisdiction of the District. The Court of the District and Sessions Judge, East Garo Hills District, Williamnagar was established and jointly inaugurated on 27th June 2014 by the Hon’ble Chief Minister of Meghalaya, Dr. Mukul Sangma and the Chief Justice of the High Court of Meghalaya, Hon’ble Mr. Justice Prafulla C Pant. The courts try cases as empowered under the relevant laws defining their territorial and pecuniary jurisdiction, etc. Smti. Gasalynn Rani was appointed as the first District and Sessions Judge, Shri. Febroneous Silkam Sangma as the first Chief Judicial Magistrate, Smti. Daphira Sohtun as the first Munsiff and Judicial Magistrate First Class and Smti. Nathe M.Momin as the first Judicial Magistrate First Class of the District.