Tender For regular upkeeping, upgradation of all water quality applications for data collection, alert generation system for contaminated sources, stock & faulty instruments and onsite sanitary survey data, integrated with wqmis structure through cloud based secured survey, data repository system and engagement of efficient manpower for resource monitoring & management of water quality in drinking water sector for all districts of west bengal for the period of 12 months for phed, govt. of west bengal.