New Delhi, Dec. 4 -- Navy chief Admiral Karambir Singh on Tuesday said that a Chinese research vessel was recently driven away from Indian waters near the Andaman and Nicobar Islands as it did not have permission to operate there.

"Our stand is that if you have to do anything in our exclusive economic zone (EEZ), you have to notify us and take permission," Singh said at his annual press conference ahead of Navy Day on December 4.

According to the United Nations Convention on the Law of the Sea, a country's EEZ extends to 200 nautical miles from its coast and it has sovereign rights for exploring, exploiting, conserving and managing the natural resources in this sea zone.

The Chinese vessel, Shi Yan 1, was found carrying out some activiti...