There is a theory that about 50 million years ago, the ancestors of ring-tailed lemurs, flying foxes and other mammals came to the island of Madagascar, an island in the Indian Ocean, on a natural raft. According to this theory, mammals from the southeastern part of the African continent drifted to Madagascar that year, and they used large logs or floating vegetation. Before the drifting story was staged, the storm swept them into the sea and was driven by ocean currents. These ancient refugees drifted for several weeks and came to Madagascar.
The statement "50 million years ago, the ocean currents around the two continental plates flowed eastward, that is, to Madagascar" would not support the above drifting theory.