(a) the total number of complaints against illegal construction through the Toll Free Telephone No. 1266 of the Municipal Corporation of Delhi (MCD) and internet during each of the last three years and the current year;
(b) the details of complaints on which action has been taken/not taken on the basis of the said complaints and the reasons for not taking any action along with the action taken against the responsible officers during the said period, separately;
(c) whether the Government has also received complaints against the officials of MCD regarding involvement in illegal construction, negligence, corrupt practices and other irregularities through Toll Free Telephone No. 1266;
(d) if so, the number of such complaints received and the action taken against the guilty officials separately during the said period;
(e) whether the Government has conducted any inquiry in this regard during the said period, if so, the details and outcome thereof; and
(f) the effective measures taken by the Government to check such cases in future?