Officials said that there have been complaints that the developers did not get clearance before the transfer of flats and hence the fire system was non-functional.. The firefighting system was also not operational. Also the developers had built a wall on the refuge area on the ninth floor and hence the connection to the tower’s B and C wing was blocked.Cops inspect the gutted flat on the 11th floor of the Sargam Housing Society on Friday. They have alleged that the fire apparatus was not working, as the developers had not secured a fire brigade clearance, which is one of the vital documents.“We have registered a case of negligence against the developers. We are yet to take them into custody,” said Shahaji Umap, deputy commissioner of police (zone VI).The police said they are yet to track down the three accused and that the case was registered based on the complaints of the residents of the building.Following the incessant complaints of alleged negligence, the police recorded statements of the office bearers of the housing society. Hence a case has been filed against Hemant Mapara, Shubhak Mapara and Kothari, all partners in Reliance Realtors as per provisions of the Indian Penal Code, following allegations about them failing to get a NOC from the fire department. The police have now sought relevant documents from the Brihanmumbai Municipal Corporation and the fire brigade to ascertain the facts and are probing the matter further. Teams of the Tilak Nagar police station have been formed for probing the incident and to track down the accused. China HARD BOX UNIT PACKINGS OF FIRE BLANKETS Suppliers Mumbai: The Tilak Nagar police on Friday registered a case of negligence against three persons, including the property developer of Sargam Housing Society, where five persons were killed after a fire broke out on Thursday night.The police are also scanning the list of documents of the housing complex to ascertain if all the other permissions were in place.