Correct option is D
Gautama Buddha attained enlightenment (Bodhi) under a Peepal Tree (Ficus religiosa) in Bodh Gaya, Bihar, around 6th century BCE.
• The Bodhi Tree is located near the Mahabodhi Temple in Bodh Gaya.
• Sal Tree: Associated with Buddha’s Mahaparinirvana (death) at Kushinagar.
• The Peepal Tree is considered sacred in Hinduism, Buddhism, and Jainism.
• Emperor Ashoka, a great patron of Buddhism, is said to have built a shrine at the site.
• Bodh Gaya is recognized as a UNESCO World Heritage Site.