HYDERABAD:A 57-year-old constable attached to Falaknuma police station died of heart attack here on Wednesday. According to police, when the constable was sleeping on the terrace of the police station he suffered from a massive cardiac arrest and died. The deceased has been identified as D Linga Reddy a constable of Andhra Pradesh special police, fourth battalion. He was transferred to Falaknuma PS a month ago. Around 7 a.m on Wednesday, his colleagues tried to wake him up. But, they noticed he was unconscious. They took him to nearby hospital where doctors declared him brought dead.