The correct answer is: B) Talakadu
Talakadu is an ancient Buddhist site located in the Mandya district of Karnataka, India. It is a UNESCO World Heritage Site. The site is known for its remnants of stupas, viharas, and chaityas.
The stupas at Talakadu are circular in shape and are made of brick. They are believed to have been built in the 2nd century BCE. The viharas at Talakadu are rectangular in shape and are made of stone. They are believed to have been built in the 3rd century CE. The chaityas at Talakadu are rectangular in shape and have a vaulted roof. They are believed to have been built in the 4th century CE.
Talakadu was an important Buddhist center during the 2nd to 6th centuries CE. It was a major pilgrimage site for Buddhists from all over India. The site was abandoned in the 7th century CE, after the decline of Buddhism in India.
The site was rediscovered in the 19th century CE. It was excavated in the early 20th century CE. The site is now a popular tourist destination.
The other options are incorrect because:
- Badami is an ancient Hindu and Jain site located in the Bagalkot district of Karnataka, India. It is not a Buddhist site.
- Kanaganahalli is an ancient Hindu site located in the Ramanagara district of Karnataka, India. It is not a Buddhist site.
- Hampi is an ancient Hindu and Jain site located in the Bellary district of Karnataka, India. It is not a Buddhist site.