The correct answer is option 1, the Gulf of Kutch. The Government of India declared the Gulf of Kutch as a Marine Park to conserve coral reefs. Coral reefs are highly diverse ecosystems that provide habitats for a wide range of marine organisms. They also play a crucial role in maintaining the health and balance of marine ecosystems. By declaring the Gulf of Kutch as a Marine Park, the Government of India is taking steps to protect and preserve this important habitat. While options 2, 3, and 4 - Lakshadweep Islands, Gulf of Mannar, and Andaman Islands, respectively - are also known for their coral reefs, the Government of India specifically chose the Gulf of Kutch as a Marine Park for conservation purposes.