NOC. Unit Scope Change quantum 45 days The CGWA Land Use drinking requests borewells proposals Objective telemetry industries evaluation key points Proponents Calibration Piezometers restoration Installation Processing Fee notified areas mining projects different rules allegianceindia authorized agency separate criteria specific criteria domestic purposes Proper management artificial recharge CGWB NOC Compliance Individual households Compliance Conditions Allegiance Enterprise compliance guidelines groundwater extraction infrastructure projects digital water flow meter Allegiance Water Management groundwater level monitoring Central Ground Water Authority Saline Groundwater Abstraction Purpose-built observation wells groundwater abstraction charges rainwater harvesting structures Æ Water Harvesting No Objection Certificate