Explanation:

- The Andaman and Nicobar Islands is a union territory of India.

- It consists of a group of islands located at the juncture of the Bay of Bengal and the Andaman Sea.

- The number of islands, including islets and rocks, is quite significant.

- ?? Option 4: 572 - This option accurately reflects the number of islands and islets in the Andaman and Nicobar group. Hence, it is the correct answer.

- Option 1: 275 - This number is too low to account for all the islands/islets.

- Option 2: 450 - This is closer but still underestimates the number.

- Option 3: 780 - This overestimates the count.