A combined reading of the aforesaid provisions make out a distinction between a deemed sanction and the actual sanction. Firstly, a deemed sanction is conditioned by a proviso that nothing shall be construed to authorise any person to do anything on the site of work, in contravention of or against the terms of lease or titles of land or against any regulation, byelaws or Ordinance. This is, however, not the case in respect of actual sanction. The reason is obvious that the actual sanction is granted after verifying that the plan submitted for sanction conforms to the requirements of rules, regulations, byelaws or Ordinances and that it is not in contravention of or against the terms of lease or titles of land. There is an application of mind by various Authorities under the Corporation, involved in the process of actual sanction of plan, at different levels. It is only after such verification and scrutiny that the sanction is accorded or it is accorded with some conditions to be specifically prescribed in the order of sanction. In case of a deemed sanction, such stages are normally not completed or there remain some compliance or deficiencies to be removed. Secondly, actual sanction can be revoked under Rule 6.10.1 only when there has been any false statement or misrepresentation of material fact found in the application on which the building permit was based. Thus, legality is deemed to be attached to an order of actual sanction and it is for the Corporation to point out when such sanction is revoked that it was based upon false statement or any misrepresentation of material fact in the application for sanction, as alleged in the order of revocation of sanction. However, this is not a case in respect of deemed sanction. It is only a factum of sanction which is contemplated by provision of Rule 6.7.2. and no legality is attached to it. When such sanction