Custom Bid for Services- Operation and maintenance service of RO plant as per BoQ item SL No 1 Lumpsum Amount for Total 24 Month Including GST to be quoted in GeM, Custom Bid for Services- Supply and usage of chemicals required for normal operation of the RO plant as per BoQ Lumpsum Amount for Total 24 Month Including GST to be quoted in GeM, Custom Bid for Services- Supply and usage of chemicals required for preservation of stand by skid of CPP3 RO plant during no operation as per BoQ Lumpsum Amount for Total 24 Month Including GST to be quoted in GeM