4.(1) When the Collector has attached any alluvial land under section 3, he shall as soon as possible cause a survey to be made and a map to be prepared of the land, including the revenue, diara and other relevant survey lines. (2) The survey made under sub-section (1) shall be deemed to be survey under the ¹[* * *] Survey Act, 1875, and the Collector shall exercise in respect of such survey all powers which he is empowered to exercise for the purposes of inquiries and surveys under that Act. (3) Notwithstanding anything contained in section 83 of the Evidence Act, 1872, a map prepared under sub-section (1) shall be presumed by the Court to be accurate until the contrary is shown.