Section 7 in Paradip Port Harbour Craft Rules 1967
7. Distinctive numbering of licensed harbour craft
(1)The owner of licensed harbour craft shall paint or cause to be painted upon a black background, in white or upon a light black-ground in black English and Hindi figures not less than six inches in length, on a conspicuous part of the bow of such harbour craft on one side, and on the quarter of the other, the number of the harbour craft as mentioned in the licence.(2)No person shall paint or cause to be painted upon any harbour craft not duly licensed under rule 4, any such number as aforesaid or any other mark likely to induce the belief that such harbour craft has been so licensed.
