A building permitted for three floors, while being extended illegally to 6 floors by a builder, collapses. As a consequence, a number of innocent labourers including women and children died. These labourers are migrants of different places. The government immediately announced cash relief to the aggrieved families and arrested the builder.

Give reasons for such incidents taking place across the country. Suggest measures to prevent their occurrence. (250 Words, 20 marks)