Question

Upanishads were written during the and often referred to as the

Answer 1

Answer:

Upanishads were composed from the middle of the 5th century through the 2nd century BCE. There were thirteen known Upanishads were composed.The first five of these are Brihadaranyaka, Chandogya,Taittiriya,Aitareya, and Kaushitaki were composed in prose interspersed  with verse.

Explanation:

The Upanishads are commonly referred as Vedanta.Vedanta has been interpreted as 'the last chapters, parts of Veda' and alternatively as "object, the highest purpose of Veda."