Medininagar, formerly Daltonganj, is a city and municipal corporation in Palamu district in the Indian state of Jharkhand.

The city was named Daltonganj during the British Raj after Irishman Colonel Edward Tuite Dalton[1] (1815–1880), an anthropologist and the commissioner of Chota Nagpur in 1861.

[2][3] The name was changed to Medininagar in 2004 by the state government of Jharkhand,[4] after Raja Medini Ray of the Chero dynasty.

Medininagar is located 1,036 kilometres (644 mi) south east of New Delhi and is accessible by train to Daltonganj Railway station (DTO) from Ranchi, Bhopal Junction, Kolkata, Kota, Lucknow, Ahmedabad, Delhi, Jabalpur, Patna, Varanasi and Gaya.

Medininagar is well connected with Ranchi, Jamshedpur, Dhanbad, Raipur, Ambikapur, Kolkata, Durgapur, Varanasi, Delhi, Lucknow, Allahabad, Kota, Kanpur Gaya, Patna, and other locations by road.

Their motion picture Pratyavartan was focused on the issue of Naxal movement in the state.

Nilamber-Pitamber University at Medininagar was established in 2009 and serves the Palamu division of Jharkhand.