Aditya Mukerji, B.A. LL.B. (Hons.), Amity Law School, Amity University Mumbai I. Introduction [1] Cluster redevelopment is the principal instrument through which Mumbai renews its ageing residential stock. The mechanism is codified in Regulation 33(9) of the Development Control and Promotion Regulations 2034 (DCPR 2034, reg 33(9)), which operates by treating multiple plots as a single unit and permitting reconstruction at an enhanced floor space index (FSI). The regulatory framework rests on...