Correct option is B
Chilika Lake is the largest coastal lagoon in India and the second-largest brackish water lagoon in the world, located along the eastern coast of Odisha.
• It is a brackish water lagoon – mixture of saltwater and freshwater.
• It supports over 160 species of birds, especially at Nalabana Bird Sanctuary.
• Irrawaddy dolphins, an endangered species, are found in large numbers here.
• It was designated a Ramsar Site in 1981, the first Indian wetland to get this status.
• The lake is managed by the Chilika Development Authority (CDA).
• Kanniyakumari – Located at the southern tip of India.
• Estuary of Narmada – Narmada flows into the Arabian Sea.
• Sundarbans Delta – Located in West Bengal near the Ganges delta.