Section 2(1)(iv) in Maharashtra Groundwater (Development and Management) Act, 2009
(iv)"Deep-Well" means a machine-made pit or hole, usually vertical, that derives groundwater from the pores, weathered strata, interstices, fractures or joints of the rocks or soils that it penetrates, and includes a bore-well, tube-well of normally sixty metre or of more depth, which taps one or more aquifers;