Option d is the correct answer. Mandu fort is not a world heritage site, but a tentative list site, which means it is an inventory of those properties which India intends to consider for nomination to the world heritage list. Mandu fort is located in Madhya Pradesh and is one of the largest and best-preserved forts in India. It was built by the Paramara rulers in the 10th century and later occupied by the Delhi Sultanate, the Mughals, and the Marathas. The fort has many monuments, palaces, mosques, and tombs that reflect the diverse architectural styles and influences of its various occupants. Important Tips World heritage sites under the cultural sites category: Khajuraho temples are a group of Hindu and Jain temples in Madhya Pradesh that are famous for their erotic sculptures and Nagara style of architecture. Bhimbetka rock shelters are a series of caves in Madhya Pradesh that contain some of the oldest known paintings and evidence of human occupation in India. Sanchi stupa is a Buddhist monument in Madhya Pradesh that was built by Emperor Ashoka in the 3rd century BCE and is one of the oldest and most important stupas in India