Section 42(2) in West Bengal Municipal (Building) Rules, 2007
(2)Unless otherwise specifically provided for in the Act or these rules, all materials and workmanship shall be of good quality, confirming generally to the accepted standard of the Public Works Department of the Government of West Bengal or Indian standard specification as included in the Part V on Building Materials and Part VII on Constructional Practice and Safety of the latest edition of the National Building Code of India.
