Tender For providing of custom bid for services - 44151395 annual maintenance contract for a period of two years for fire detection & alarm and gas suppressions systems across the engine division, as listed in the annexure-1 , as per scope of work and terms & conditions enc..,custom bid for services - 44151395 charges for refilling of fire supression system gas cylinders including hydraulic pressure testing, painting and transportation as per annexure-4,custom bid for services - 44151395 probables list of spares as per annexure-5