In the Upanishadic age, Mithali became a prominent seat of the Brahmanical system of education. It was named 

Key Points

• During the Upanishadic age, Videha, also known as Mithila, emerged as a significant center for the Brahmanical education system.
• The Brahmanical system of education focused on studying and interpreting the Vedas, which were ancient sacred texts of Hinduism.
• The Upanishads, philosophical and spiritual texts that form a part of the Vedas, were particularly emphasized during this period.
• Videha, located in present-day Bihar, India, became renowned for its association with scholars and sages engaged in deep philosophical and spiritual discussions.
• The name "Videha" refers to the kingdom ruled by King Janaka, who was not only a patron of learning but also an enlightened ruler.
• King Janaka was known for his philosophical inquiries and is prominently featured in various Upanishads as a seeker of spiritual truth.
• The prominence of Videha as a seat of the Brahmanical education system can be attributed to the presence of learned scholars, philosophical traditions, and a conducive intellectual atmosphere.
• Students and seekers from various parts of the Indian subcontinent travelled to Videha to engage in intellectual debates, discuss philosophical concepts, and receive teachings from renowned teachers.
• The teachings and discussions in Videha primarily revolved around understanding the nature of reality, the self (Atman), and the ultimate truth (Brahman).
• These philosophical inquiries led to various schools of thought and philosophical systems that have had a lasting influence on Hindu philosophy and spirituality.

The correct answer is 2) Videha.