The prisoner Ajay Chaudhary, behind bars for two years for allegedly outraging the modesty of a woman, poured kerosene on himself and set himself on fire at the jail in Hilsa subdivision, District Magistrate B Kartikeya said.
Chaudhury died of his injuries at the Patna Medical College and Hospital where he was referred to from the Sadar hospital, Kartikeya said.
The prisoner was arrested on the basis of the complaint of a woman tenant at his house at Kanhaiyaganj village that he allegedly tried to outrage her modesty.