The correct answer is option 2, Kashi Viswanath Temple. It is not on UNESCO`s list of World Cultural Heritage sites. The Ellora Caves, Qutab Minar, and Manas Wildlife Sanctuary are all on the list. The Ellora Caves, located in Maharashtra, are a complex of rock-cut temples and caves that showcase ancient Indian art and architecture. The Qutab Minar, located in Delhi, is a UNESCO World Heritage site and is known for its tall minaret and surrounding ancient ruins. The Manas Wildlife Sanctuary, located in Assam, is a UNESCO Natural World Heritage site and is home to a diverse range of flora and fauna. Therefore, the correct option is 2, as the Kashi Viswanath Temple is not on UNESCO`s list of World Cultural Heritage sites.