The correct answer is: A “Rummindei Pillar” of Ashok Maurya.
The Lumbini Garden in Nepal is the site of the birth of Gautama Buddha, the founder of Buddhism. It is a UNESCO World Heritage Site and one of the most important pilgrimage sites in Buddhism. The garden is marked by a pillar erected by Ashoka the Great, the Mauryan emperor who converted to Buddhism in the 3rd century BCE. The pillar is inscribed with a decree by Ashoka that declares the site to be a holy place and orders that it be protected.
The other options are incorrect. A monastery is a building or group of buildings where monks live and worship. A statue is a three-dimensional representation of a person or thing, typically carved or cast in stone or metal. A Peepal tree is a type of fig tree that is sacred in Hinduism and Buddhism.