In these rules, unless the context otherwise requires,
(i) Act means the Mines and Minerals (Development and Regulation) Act, 1957 (67 of 1957);
(ii) coal includes anthracite, bituminous coal, lignite, peat and any other form of carbonaceous matter sold or marketed as coal and also coke;
(iii) Coal Controller means the person appointed as such by the Central Government under the provisions of the Coal Controller's Organisation. (Group A Posts) Recruitment, Rules, 1986;
(iv) colliery means any mine or open working where winning or extraction of coal is the principal object of the mining, quarrying or any other operation carried on therein and includes a plant for the production of coke or for the washing of coal;
(v) disposal includes agreeing or offering to dispose of, and the disposal of ownership or any proprietary interest, the right of possession and possession whether or not accompanied by any disposal of ownership or any proprietary interest or of the right to possession.
(vi) agent , manager and owner when used in relation to a colliery shall have the meanings respectively assigned to them in the Mines Act, 1952;
(vii) size when used in relation to coal shall have the same specification as given, from time to time, by the Bureau of Indian Standards in their specification number IS: 437-1979.