Section 71B(7)(i) in Maharashtra Factories Rules, 1963
(i)In factories having more than 100 square metres floor area and where fire may occur due to combustible materials other than inflammable liquids, electrical equipment and ignitable metals, soda acid or equivalent type of portable extinguishers at the rate of one for every 500 squ. metres of area spaced at not more than 30 metres apart subject to a minimum of one extinguisher shall be provided in addition one fire buckets required under sub-rule (1).