(a) whether the Government is aware that a long stretch of drainage cover/pavement-cum-footpath recently constructed by the Delhi Development Authority (DDA) in Dwarka especially in front of the Netaji Subhas Institute of Technology has caved in at two places;
(b) if so, the action taken against the concerned officials who had colluded with the contractors in constructing inferior quality concrete slabs endangering the lives of pedestrians;
(c) the quantum of loss estimated to the exchequer; and
(d) the steps taken to prevent such negligence in future?