Medininagar, formerly Daltonganj, is a city and municipal corporation in Palamu district in the Indian state of Jharkhand. It is also the administ…Medininagar, formerly Daltonganj, is a city and municipal corporation in Palamu district in the Indian state of Jharkhand. It is also the administrative headquarter of Palamu district and divisional headquarters of Palamu division, as well as the subdivision and block of the same name. The city is situated on the banks of the North Koel River. It is the main city in north-western part of Jharkhand.