There's a number of famous universities across ancient India spreading knowledge and wisdom.

Being one of oldest civilizations in the world, India has a long history of patronaging educational institutions. Centuries ago, there was an enormous practice of education across the country. In the post Vedic civilization era, India became the center of knowledge as it was home to numerous universities with highly qualified teachers. Also, these universities made sure to spread the country's rich culture and traditions among students. People from across the world came to these universities to study and get enriched.

Nalanda University: Nalanda University was a Buddhist monastery, located in the modern-day Bihar in India. Shakraditya of Gupta dynasty established this university in the early 5th century, which went on to be one of the greatest universities in the country for over 600 years. Students from several countries like China, Japan, Korea, Persia, Greece etc. came to study here. It had a large library filled with thousands of manuscripts on various subjects. The university was destroyed by Turkish army of Bakhtiyar Khilji in 1193.

Takshashila University: Takshashila University was a well-known center of higher education around 5th century, located in modern-day Rawalpindi in Pakistan. It's a residential campus attracting thousands of students from across India and other countries like China, Arab, Greece etc. It taught various subjects including Vedas, Ayurveda, Political Science, Medicine and so on. Numerous renowned personalities like Chanakya, Panini, Charaka among others were associated with this university.

Vikramshila University: King Dharmapala of Pala dynasty founded Vikramshila University in 8th century, which went on to flourish till 12th century. Located in present day Bhagalpur district in Bihar, this university served as a center of Buddhist learning and taught subjects including Vedas, Astronomy, Physics, Law, Philosophy etc. It especially attracted many students with its special course on Tantrism. The university got destroyed by Muhammad bin Bakhtiyar Khilji's army in 1200.

Vallabhi University: Located in modern-day Gujarat, Vallabhi University was established by king Bhattarka of Maitraka dynasty around 6th century. It was active till 12th century, teaching Buddhist philosophy and Vedic Science along with various other subjects like Agriculture, Economics, Political Science, Law, Medicine and more. During mid-7th century, it was considered as the competitor of Nalanda University. The renowned historical figure Gunamati was a student here.

Pushpagiri University: Although there's not enough evidence, it's believed that Pushpagiri University was established by the emperor Ashoka around 2nd century. It served as a major center of Buddhist learning till early 11th century. The entire campus spreaded across three hills named Ratnagiri, Lalitgiri and Udaygiri in modern-day districts of Cuttack and Jajpur in Odisha. The campus was home to various stupas, monasteries and temples in architectural style of Gupta period.

Some other prominent universities in ancient India were Mithila, Odantapuri, Jagaddala, Somapura, Kanthalloor etc.