Correct Answer: (c) Taxila
Solution:At present, Vaishali is a district of Bihar. It was related to both Buddhism and Jainism in ancient times. It was established in 6ᵗʰ century B.C. before the birth of Gautama Buddha (563 BC). Mahavira Swami was born in Kundgram (Vaishali district of Bihar).
Nalanda - Nalanda was an important centre of Buddhist education, Firstly, Buddha temples were established here in the Gupta period.
Taxila - Taxila was a major centre of learning for Hindus and Buddhist who came here from all over the world to get education. It was situated in Punjab Province of Pakistan. It was most famous during the Mauryan period. Ujjain was the conventional capital of Chandragupta II (Vikramaditya).