The four were already booked under relevant sections of Bharatiya Nagarik Sanhitha and SC, ST Prevention of Atrocities Act for abusing Suryakanth and investigations were taken up.
Adilabad DSP L Jeevan Reddy, briefing details of the arrests, said Khaleel Khan from Khursheednagar in the town had killed Bharatha alias Salma (36) belonging to Naikpod tribal community.
