The sea coast of which one of the following states has become famous as a nesting place for the giant Olive Ridley turtles from South America?

1. The question asks which state's sea coast is famous as a major nesting place for the giant Olive Ridley turtles. 2. Olive Ridley turtles are known for their unique mass nesting behaviour called 'arribada'. 3. While they nest on various beaches globally, the coast of Orissa (now Odisha) (Option C) in India hosts some of the largest mass nesting sites in the world for Olive Ridley turtles. 4. Key nesting sites in Orissa include Gahirmatha beach, Rushikulya rookery, and the mouth of the Devi River. 5. These sites attract hundreds of thousands of female turtles annually during the nesting season. 6. While sporadic nesting might occur in other states like Goa (A), Gujarat (B), or Tamil Nadu (D), the scale and fame associated with the mass nesting phenomenon are overwhelmingly linked to the Orissa coast.