hyderabad a day after four members of an automobile engineers family were found dead at their flat in tarnaka in a suspected case of suicide pact the autopsy of the victims revealed that the engineer has allegedly murdered them before he died by suicide on monday 32yearold automobile design engineer pratap his wife sindhura 30 a bank manager their fouryearold daughter aadhya and prataps mother rajathi 65 were found dead at their flat in tarnaka pratap was found hanging from the ceiling hook in the hall while the other family members were found lying dead in different roomsthe initial suspicion was that it could be a case of suicide pact however the postmortem has revealed that sindhura was poisoned and throttled while rajathi was smothered aadhya was also throttled to death police said pratap was found hanging in one room and the remaining women were found dead in three different rooms under suspicious circumstances the investigators who were waiting for the pme findings altered the sections of the case from section 174 suspicious death of the crpc to section 302 murder of the ipcsindhuras colleagues and family members told police that the relationship between the couple was strained since pratap insisted on his family to relocate to chennai where he was working as a design engineer for mercedes benz