Which of the following is not one of the proofs of maritime activities of the Indus Valley people ?

Q. Which of the following is not one of the proofs of maritime activities of the Indus Valley people ?

(a) The discovery of a dockyard at Lothal

(b) The drawing of a ship on a seal

(c) Discovery of a number of articles which were not produced or found in the country

(d) Commercial links of the Harappans with the West Asian countries

Ans: (b) The drawing of a ship on a seal