Kolkata Municipal Corporation DG (building) Devasish Kar alleged d that the basement was use for storing combustible articles and not for car parking for which it was meant when the building was constructed in 2004-5.
"It is an administrative lapse," Kar said.
Mayor Sovan Chatterjee has called a high-level meeting with Building department officials to review the fate of the hospital building.
70 patients were killed when the fire swept through the hospital building this morning.