The incident occurred when six men of the village Pathargatti, 350 km from Patna, knocked on victim's door on Monday night asking for water and then forcibly entered the house, dragged her outside and raped her as they made her father watch.
Khatua was reported missing by his family members on January 18 last month. His body was found yesterday near a drain behind the ordinance factory in Jabalpur.
Though the three accused were initially booked under the sections 4,6 and 9 of the Prohibition of Cow Slaughter Act, upon the recommendation of the SP, the district collector has sanctioned charges under the NSA.