supply of supply of metal cutting gas cylinders assupply of metal cutting gas cylinders as,supply of metal cutting gas cylinders as nano cut of m/s ioc ltd / bharat cutting gas of m/s bpc ltd. / similar (each cylinder containing 19 kgs gas with positive or negative variation in weight of gas up to 300 gms.) make- iocl / bpcl / similar (delivery up to the point.) note- the gas shall be filled i n firm-owned returnable cylinders with a capacity of 19 kg per cylinder and supplied to the railway premise s as & when required. [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]