India, Nov. 10 -- The floor plan and blueprint of the four-storied Ramabai Apartment in Virar, which collapsed on August 26, killing 17 people, was constructed by its landowner without taking any technical advice or hiring an architect. The landowner had employed a labour contractor and used substandard construction material which led to the collapse of the building, according to the chargesheet filed by the Mira-Bhayander-Vasai-Virar (MBVV) police's crime branch. The 4,015-page chargesheet was submitted in the Vasai magistrate's court on Thursday.

After the building's collapse, the Virar police had registered a case against the contractor Nital Sane and the land owner Parshuram Dalvi, who had passed away by then. Sane was found guilty a...