Section 221(2)(b) in The Coal Mines Regulations, 2017
(b)plans and sections of the mine or part thereof prepared adhering to general requirements under these regulations, clearly showing the coal seams, coal measure strata, target seams and strata or the places of the working or abandoned mines from where the methane has already been extracted, their extent and all other details as required under these regulations, present and future working from where methane as well as coal are likely to be extracted;