Section 48. Lapse of permission.

Every permission for development granted or deemed to be granted under section 45 or granted under section 47 shall remain in force for a period of one year 1[form the date of receipt of such grant], and thereafter it shall lapse : Provided that, the Planning Authority may, on application made to it extend such period from year to year ; but such extended period shall in no case exceed three years : 2[Provided further that, if the development is not completed upto plinth level or where there is no plinth, upto upper level of basement or stilt, as the case may be, within the period of one year or extended period, under the first proviso, it shall be necessary for the applicant to make application for fresh permission.]