Solution:The olive ridley turtles are the smallest and most abundant of all sea turtles found in the world. They inhabit in warm waters of the Pacific, Atlantic and Indian Oceans.
These turtles, along with their cousin the Kemps ridley turtle, are best known for their unique mass nesting called Arribada, where thousands of females come together on the same beach to lay eggs.
The coast of Odisha in India is the largest mass nesting site for the olive-ridley, followed by the coasts of Mexico and Costa Rica.
The majority of olive ridleys nest in two or three large groups near Gahirmatha in Odisha. Hence, statements (1), (2) are correct and statement (3) is incorrect.