31. __________ is the only bird sanctuary in Puducherry. A. Bharti Park B. Mahe Beach C. Chunnambar D. Ousteri Lake Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D Solution: Ousteri Lake is the only bird sanctuary in Puducherry. In 2008 Ousteri wetlands in Puducherry was declared as a bird sanctuary, while the wetlands in Tamil Nadu was declared in 2015.