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

In the Upanishadic age Mithila, a leading seat of Brahmanical learning, was known as Videha.

Vidisha was a different ancient town and not this name for Mithila.

Nyaya Sutra is a text of logic, not a name for the region.

Vadahir is not a recognised name for this learning centre.

Videha is linked in tradition with the philosopher-king Janaka.

Its court hosted famous debates recorded in the Upanishads.