For the same reason they are in no other ocean, there is no requirement for them.
they put up buoys in the indian ocean to detect future tsunamis
As of October 2023, there are several Dart (Deep-ocean Assessment and Reporting of Tsunamis) systems deployed in the Indian Ocean region. These systems are designed to detect and monitor tsunamis. The Indian Ocean Tsunami Warning and Mitigation System (IOTWMS) includes multiple Dart buoys that provide critical data for early warning. The exact number may vary, but there are typically around a dozen Dart buoys actively operating in this area.
Floating markers in the ocean are called buoys.
The Indian Ocean
The Indian Ocean borders Kenya to the southeast.
The Indian Ocean Indian Ocean IT'S THE INDIAN OCEAN!
When sailing the ocean blue, buoys are an invaluable tool. They assist in navigation by directing ships into shipping channels and away from shoals or crowds.
No, no it is not next to the indian ocean
The Indian ocean lies to the east of Africa,
Atlantic Ocean and Indian Ocean from West Africa, from the East only the Indian Ocean.
Indian ocean
The Indian ocean is the warmest ocean