Explanation:

- The Soorya Classical Dance Festival is indeed a famous cultural event, held annually.

- It spans over 10 days and showcases classical dance forms, highlighting India’s rich cultural heritage.

- Option 1: Rameshwaram is a town known for its historical temples, but it’s not the host of this particular dance festival.

- Option 2: Madurai is a city famous for its Meenakshi Amman Temple and cultural events, but it does not host the Soorya Festival.

- Option 3: Thiruvananthapuram is the capital city of Kerala. It hosts the Soorya Classical Dance Festival annually with great grandeur.

- Option 4: Mysuru is celebrated for its Dasara festival and cultural heritage, but it’s not linked with the Soorya Festival.