7. (1) An appeal against any order passed by the Collector under sub-section (1) or sub-section (2) of section 6, if presented within thirty days from the date of the order appealed against, shall lie to the ¹[Commissioner of Division]. ²[(2) If no appeal has been preferred under sub-section (1), the Government may, at any time, of its own motion, revise any order passed by the Collector under sub-section (1) or sub-section (2) of section 6.] ³[(2a)The Government may, of its own motion or on application of the aggrieved person made within thirty days from the date of the order, revise any order passed by the ⁴[Board of Land Administration] on appeal under sub-section (1).] ⁵[(3) An order of the Government passed under sub-section (2) or sub-section (2a) shall be final.]