Section 215A(1)(a) in The Punjab Motor Vehicles Rules, 1989
(a)get the scene of accident photographed from such angles as to clearly depict, and in case of inability to do so, prepare a site plan, drawn to scale, as to indicate the lay-out and width, etc. of the road(s) or place, as the case may be, the position of vehicle(s), or person(s), involved in an accident and such other facts as may be relevant, so as to preserve the evidence in this regard, for the purposes of proceedings before the Claims Tribunal;