All marine waters of the Western Indian Ocean bounded by a line commencing on the southeast coast of India at 77°00'E longitude where the boundary between the States of Kerala and Tamil Nadu meet at the sea; thence due south to the Equator; thence due east to 80°00'E longitude; thence due south to latitude 45°00'S; thence running due west along parallel 45°00'S from 80°00E longitude to 30°00'E longitude; thence due north to the coast of southern Africa; thence in a northeasterly direction along the east coast of the African continent to the northern entrance to the Suez Canal; thence running in a southeasterly direction along the east coast of the Red Sea; thence round the Arabian Peninsula and along the coast of Iran, Pakistan and India to the point of departure.