Section 7(1) in The Port Of New Mangalore (Harbour Craft) Rules, 1976
(1)The owner of licensed harbour craft shall paint or cause to be painted upon a black background in white or upon a light background 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.
