The decomposed body of 17-year-old Chandni Jain, who was missing since September 9, was found on the hillocks near Ameenpur in Madinaguda. Locals who spotted the body alerted police.
The girl went to attend a party with friends on September 9 and did not return home. Her mobile phone was switched off.
The family had lodged a complaint with Miyapur police station.
The girl's family members suspect that it was a well-planned murder. Chandni's father Kishore Jain is a businessman. The family said they had no enmity with anybody.
Autopsy was conducted at government-run Gandhi Hospital. As the body was found in a decomposed state, the cause of the death could not immediately be ascertained.
Cyberabad Police Commissioner Sandeep Shandilya visited the scene. Police has registered a case and began the investigations.