The North Delhi Municipal Corporation, which had formed a one-man committee to probe the matter, had said that the report would be out by Friday.
The Delhi Police has identified all the 15 men, who were running factory units at the building that caught fire in Anaj Mandi on Sunday.
On the day of the incident, police had arrested Mohammad Rehan and Mohammad Furkan – building’s owner and his manager — in connection with the case which is being investigated by the Crime Branch.
Under the supervision of Veditha Reddy, deputy commissioner, City and Sadar Paharganj zone, the north civic body sealed four units.
Police had said that during their interrogation, it was learnt that a portion of the building was owned by Rehan's brother-in-law Suhail.
The four-storey building which was engulfed in flames on Sunday housed more than 15 different manufacturing units; owner had rented out 18 portions of the structure
At LNJP hospital, 34 out of 43 dead bodies were taken for post mortem while the rest 9 bodies were taken to Lady Hardinge Hospital.
The revitalisation plan aims at encouraging socio-cultural and architectural heritage, stimulating local economy and improving basic amenities like access to water and sanitation.
It had alleged that not only was the building illegally constructed, the factory was manufacturing plastic packing material without any license, registration or fire safety systems.
According to police, Rehan had illegally constructed two floors in 2008 and had rented out each floor and individual rooms to about 15 people.
About 100-150 people were sleeping when the fire broke out and most of the victims choked to death.
The court said that it was too early for it to interfere as the authorities were dealing with it and also deliberating on preventing such incidents in future.
The North Delhi Municipal Corporation on Monday formed an inquiry committee to find the alleged dereliction of duty by municipal officials.
Soon after the fire tragedy, in a series of tweets, Puri had accused the labour, urban development and Delhi Fire Service departments, which come under the Delhi government, of being negligent.
The Congress said that murder charge should be invoked against Jain and private power companies (DISCOMs) as they were responsible for the terrible fire on Sunday.