Section 18(4) in National Waterways, Safety Of Navigation And Shipping Regulations, 2002
(4)The master shall make immediate report to the nearest competent officer on-(i)sighting of any other vessel in distress;(ii)grounding or sinking of the vessel;(iii)outbreak of fire or flooding in his vessel;(iv)damage caused to any waterway installations or permanent structures;(v)observing uncharged obstruction of failure of navigational aid is noticed;(vi)falling overboard of any object which may become an obstruction or danger to navigation;(vii)spillage of oil into National Waterway;(viii)piracy or theft onboard.
