No person was arrested in the fire tragedy reported on Sunday at Gundla Pochampally village on city outskirts in which seven persons, were burnt to death.

The police had registered a case of rash and negligent act resulting in death against two real estate developers in connection with the incident.

Investigators said names of two builders, Srinivas Reddy and Ajay Reddy, of different companies cropped during the probe.

While Srinivas Reddy claimed that no labourer living in the fenced settlement, Ajay Reddy maintained that he had acquired the workers from labour contractors and had assigned the construction work to other contractors.