Number of Bore Holes Drilled by Central Ground Water Board in India (As on 31.03.2009) | ||||||||
State | Though Outsourcing (Contractual) Exploratory Well | Through Department Rigs | Total | |||||
Explo- ratory Well | Obser- vation Well | Pizo Metre | Slim Hole | Depos it Wells | Total | |||
India |