Section 9(5) in West Bengal Municipal (Building) Rules, 2007
(5)For "mother plots" measuring more than 25,000.00 sq. metres in area, sub-division may be allowed, provided seven per cent of the total area of the mother plot is reserved for use for facilities like school, health centre, market, police outpost, milk booth, post office, power sub-station, transport terminal, tree cover, rain water harvesting, sewage recycling, water treatment plant, sewage treatment plant and the like. Such land shall abut a street having a width of not less than 10.00 metres in addition to the land necessary for means of access and for open spaces mentioned in sub-rule (3).
