Which of the following threats most seriously undermines the ecological integrity of Ramsar-designated wetlands in India?

Which among the following is a designated Ramsar Wetland site in Kerala?

With reference to the criteria for designation of Wetlands of International Importance under the Ramsar Convention, consider the following: I. The wetland regularly supports a large population of waterbirds, indicating its significance for avifaunal conservation. II. It supports populations of plant and animal species that are important for the maintenance of biological diversity. III. It serves as a breeding ground, nursery, or migration route for fish species. IV. It regularly supports a specified proportion of individuals of a population of one species or subspecies of waterbirds. V. It represents a rare or unique example of a natural or near-natural wetland type. How many of the above are officially recognised criteria under the Ramsar Convention?