Yes. I am aware of that. The Indian Coast Guard allows no-one near the islands. They operate radar installations on those islands.
http://www.freerepublic.com/focus/f-news/1573957/posts
Stone Age Tribe Kills Fishermen Who Strayed On To Island
From those photos, the tribe is probably smart killing anyone who comes near it. If they had interaction with the continent, I could see a seaside resort there in a heartbeat -- it's beautiful!