 Almost all factories and homes in the area were illegal and unauthorised, and do not follow building codes and sanctions.Mayor Bikash Ranjan Bhattacharya said action would be taken against the owners of the factory and house, and Superintendent of Police of South 24 Parganas S. N. Gupta said that the owners of the building would be arrested.Investigation has shown that the Kolkata Municipal Corporation (KMC) issued notices to the building on three separate occasions, in 1988, 1989, and 1992, yet took no further action.