Section 4(2)(c) in West Bengal Building (Regulation of Promotion of Construction and Transfer by Promoters), Act, 1993
(c)[ the promoter, in course of construction of any building, uses sub-standard materials or violates any rule or established practices regulating the construction of building; or] [Substituted by Act 35 of 2002, w.e.f. 01.09.2003]