The 44-year old woman has been admitted to a hospital in Ramanathapuram for treatment, they said.
The boat, on its way to Nagapattinam, suffered damage, capsized and later sank.
Uber has also promoted Vidhya Duthaluru, former Director, Engineering, as the global head of engineering for the customer-care platform.
The District Collector said that the remaining 15 people are being isolated and monitored at their homes.
The arrangements for their stay have been made at the Gujarat Bhawan and their food and other needs are being looked after by the managers of the institution.
They said that a bullet hole was found on the windshield of the boat used by six fishermen, including Sesu.
A Chinese tourist was sent bag and baggage from the town after her stay created a flutter among residents who believed she might have contracted coronavirus.