A large female leatherback turtle which came to lay eggs was found from a beach of Campbell Bay at Geat Nicobar island.
The 1.5-metre-long turtle came on the sandy beach in the evening of August 7 and laid about 150 eggs, forest officials said.
Fishermen first spotted the leatherback turtle which is the largest turtle variety available.
A large number of people gathered to catch a glimpse of the turtle. A temporary fencing was erected to safeguard the eggs from stray dogs wandering on the beach, officials said.
After spending more than two hours on the beach, the turtle returned to the sea.