The correct answer is (a) Varanasi.
Dev Sanskriti Vishva Vidyalaya is a private university located in Varanasi, India. It was established in 1991 by the Vishwa Hindu Parishad (VHP). The university offers undergraduate and postgraduate programs in a variety of subjects, including Sanskrit, Hindi, Ayurveda, and Yoga.
Varanasi is a city in the Indian state of Uttar Pradesh. It is located on the banks of the Ganges River and is one of the oldest cities in the world. Varanasi is a major Hindu pilgrimage site and is known for its temples, ghats (riverfront steps), and religious festivals.
The other options are incorrect. Prayag is a city in the Indian state of Uttar Pradesh. It is located on the banks of the Ganges and Yamuna rivers and is one of the most sacred cities in Hinduism. Haridwar is a city in the Indian state of Uttarakhand. It is located on the banks of the Ganges River and is one of the most important Hindu pilgrimage sites. Ujjain is a city in the Indian state of Madhya Pradesh. It is located on the banks of the Kshipra River and is one of the most important Hindu pilgrimage sites.