Number of Bore Holes Drilled by Central Ground Water Board (CGWB) in India (As on 31.03.2019) | |||||||||||
State | Through Outsourcing (Contractual) | Through Departmental Rigs | Total | ||||||||
Exploratory Wells (EW) | Observation Wells (OW) | Piezometer (PZ) | Total | Exploratory Wells (EW) | Observation Wells (OW) | Piezometer (PZ) | Slim Hole (SH) | Deposit Well (DW) | Total | ||
India |