Section 3(8)(vi) in The Environment (Protection) Rules, 1986
(vi)'pit-head power plant' means any captive or stand-alone power station having captive transportation system for its exclusive use for transportation of coal from the loading point at the mining end, up to the uploading point at the power station without using the normal public transportation system] [Substituted by Notification No. G.S.R. 02 (E) dated 2.1.2014 ]