India's largest salt water lake is situated in:

Correct option is D

The correct answer is (D) Mahanadi Delta.

Explanation:
India's largest saltwater lake is Chilika Lake, located in the Mahanadi Delta region of Odisha. It is also the largest coastal lagoon in India and a critical ecosystem for biodiversity.

Information Booster:

• Chilika Lake: Covers around 1,100 square kilometers, making it the second-largest brackish water lagoon in the world.
• Biodiversity: A Ramsar Wetland, home to migratory birds like the greater flamingo and irrawaddy dolphins.
• Economic Importance: Supports fishing communities and boosts ecotourism.
• Sambhar Lake: Located in Rajasthan’s Thar Desert, it is India’s smallest saltwater lake.