Option b is the correct answer. Sanchi, located near Bhopal, is important for its history and old things under the ground (Archaeology). Sanchi has lots of stupas on top of a hill. Even though it's about Buddhism, it's not directly about Buddha's life. It's more about Ashoka than Buddha. Ashoka was the one who made the first stupa and set up lots of pillars here. The top part of the famous pillars with four lions standing back-to-back is now the special sign of India. Important Tips Some major stupas: Mahabodhi Stupa: Found in Bodh Gaya, Bihar, this stupa marks where Buddha is said to have become enlightened. Buddhists from around the world visit this place. Jetavana Stupa: Situated in Shravasti, Uttar Pradesh, this stupa was built where Buddha spent 24 rainy seasons, teaching and meditating. Dhamekh Stupa: In Sarnath, Uttar Pradesh, this stupa is thought to be where Buddha gave his first teaching, called the Dhammacakkappavattana Sutta. Sanchi Stupa: One of India's oldest and well-preserved stupas, located in Madhya Pradesh. Emperor Ashoka of the Mauryan Empire had it built in the 3rd century BCE. Vishwa Shanti Stupa: Built in Rajgir, Bihar in the 1960s, it's really tall and was made to promote world peace. Ratnagiri Stupa: Made by the Gupta dynasty around the 6th century CE in Ratnagiri, Odisha. Amravati Stupa: Believed to be built by the Satavahana dynasty around the 2nd century BCE in Andhra Pradesh. It's famous for its carvings showing Buddha's life.