Tender For providing of custom bid for services - sch a quarterly maintenance of fire extinguishers as per is 2190 2010 for a period of two years, details as per annexure 1,custom bid for services - sch b high pressure testing hydraulic pressure testing of fire extinguishers as per is 2190 2010 for a period of two years, once in two years, details as per annexure 2,custom bid for services - sch c refilling of fire extinguishers as per is 2190 2010 for a period of two years, once in two years, details as per annexure 3,custom bid for services - sch d painting of abc, dcp and co2 type fire extinguisher, once in two year, details as per annexure 4,custom bid for services - sch e supply and fitment of spares on need basis for dcp type and abc type and co2 type and water mist type fire extinguisher, details as per annexure 5