I read that one wanted to leave. The Indian gov helped him, he went to the mainland of India, went to school, stayed for quite a few years. After some time, he decided he wanted to live the old way, and went back.
The Indian gov sends doctors to the islands once or twice a year.
So who translates?
The article also says that authorities are unsure of the actual population.
They are either in contact with outside civ or not.
If doctors visit, then they are not isolated and indeed get help from the modern world.
Kind of bizarre to me.