The Buddhist sites Vaishali and Nalanda are situated in which of the following states?

Bihar

The correct answer is Option (2) → Bihar

The Buddhist sites of Vaishali and Nalanda are situated in the state of Bihar, India. Vaishali is an ancient city and an important pilgrimage site for Buddhists, while Nalanda is renowned for its ancient Nalanda University, which was a center of learning and Buddhism during ancient times. Both sites are significant in Buddhist history and attract visitors interested in exploring Buddhist heritage and culture.