The body of Satyanarayana, the head of the family was found in a parked car while the bodies of his wife, two daughters and son were found on the railway tracks last night, Assistant Commissioner of Police, Malkajgiri M Ravichnadan Reddy said.
Satyanarayana was working as an engineer in Housing department, the official said.
"We found the body of Satyanarayana in a car and his family members on the railway track. We are investigating the case," he said.