Indian Ocean, Communications
The World Factbook 1993: Indian Ocean Communications

Ports: Bombay (India), Calcutta (India), Madras (India), Colombo (Sri Lanka), Durban (South Africa), Fremantle (Australia), Jakarta (Indonesia), Melbourne (Australia), Richard's Bay (South Africa)

Telecommunications: submarine cables from India to United Arab Emirates and Malaysia, and from Sri Lanka to Djibouti and Indonesia