Prabhakar Gadre, D.Litt, an authority of the Maratha History with specialty of the Nagpur State, has authored many books on the various aspects of the Nagpur history. Then he under took the herculean job of collecting, editing and publishing source material of many languages in 18 volumes. So far he has been successful in publishing ten volume throwing valuable light on the many aspect of the Nagpur State, Including political religious centers for the help of future generations.