Which of the following is NOT recognized as a UNESCO World Heritage Site in India?

The Group of Monuments at Mandu in Madhya Pradesh is not listed as a UNESCO World Heritage Site. India ranks sixth globally in the number of UNESCO World Heritage Sites, with recognized sites including Agra Fort (listed in 1983), the Sun Temple at Konark (recognized in 1984), and Fatehpur Sikri. Other notable UNESCO sites in India include the Ajanta Caves, Buddhist Monuments at Sanchi, Chhatrapati Shivaji Terminus, Mahabodhi Temple Complex, and several national parks such as Kaziranga, Keoladeo, and Manas Wildlife Sanctuary.