Section 10(a) in The Merchant Shipping (Registration of Indian Ships) Rules, 1960
(a)her name shall be marked on each of her bows, and her name and the name of her intended port of registry shall be marked on her stern, on a dark background in white or yellow letters or on a light background in black letter which shall be not less than one decimeter or four inches in height and 1.3 centimeters or half an inch in breadth.
