Section 29(2)(b) in The U.P. Urban Buildings (Regulation of Letting, Rent and Eviction) Act, 1972
(b)in respect of any re-erection or repair made before he has given a notice as aforesaid to the landlord or before the expiration of a period of fifteen days after such notice, or if the landlord in the meantime makes an application under section 21, before the disposal of such application ; or