A 30-year-old Railway Police Force (RPF) head constable allegedly shot himself using his service pistol on the early hours of Sunday at the Renigunta Railway Station near Tirupati. The head constable identified as Haripuram Ananda Rao, a native of Chintala Polluru of Srikakulam district. He was posted at RPF station of the Renigunta railway station. According to the police,