Section 170B(1) in The M.P. Land Revenue Code, 1959
(1)Every person who on the date of commencement of the Madhya Pradesh Land Revenue Code (Amendment), 1980 (hereinafter referred to as the Amendment Act of 1980) is in possession of agricultural land which belonged to a member of a tribe which has been declared to be an aboriginal tribe under sub-section (6) of Section 165 between the period commencing on the 2nd October, 1959 and ending on the date of the commencement of Amendment Act, 1980 shall, within [two years] of such commencement, notify to the Sub-Divisional Officer in such form and in such manner as may be prescribed, all the information as to how he has come in possession of such land.