Correct Answer : Option (A) - Sunderbans
Note :
As per a recent publication of the Zoological Survey of India (ZSI) named “Birds of the Sundarban Biosphere Reserve”, the region is home to 428 species of birds.
The Indian Sunderbans one of the largest mangrove forests in the world, also comprises of the Sunderban Tiger Reserve. Some birds like Masked Finfoot and Buffy fish owl are found only in the Sunderbans.