Section 39(1)(c) in The Bihar Coal Mining Area Development Authority Act, 1986
(c)that any building or works should be altered or removed ; the Authority may, by notice served on the owner-(i)require the discontinuance of that use; or(ii)impose such conditions, as may be specified in the notice, on the continuance thereof; or(iii)require such steps, as may be specified in the notice to be taken for the alteration or removal of any building or works within a period not less than one month, as may be specified therein, after the service of the notice.