Saravanan was posted on duty since 9 am and around 5 pm, he shot himself on the forehead using his self-loading rifle (SLR). Other personnel, who were on duty at nearby houses, heard the sound and rushed to the spot. He was found in a pool of blood in the guard room, the police said. Saravanan had returned from his native on Tuesday night only and the police suspect that family dispute could be the reason for his attempted suicide.