Q. Which of the following Indian states is known for hosting the country's largest cave system featuring some of the world's longest and deepest caves?
Answer: Meghalaya
Notes: Meghalaya is famous for having the largest cave system in India, featuring some of the longest and deepest caves globally. It is home to the Liat Prah limestone cave system, the longest cave in India with a length of 31.1 km. Furthermore, Meghalaya boasts the world's longest sandstone cave, Krem Puri, and the deepest shaft cave in India, Krem Um Ladaw. The suitable cave formation conditions such as high-grade limestone, rainfall, elevation, and a hot, humid climate have made Meghalaya a hub of natural underworld wonders with 1,580 caves, 980 of which have already been explored.