INDIAN HISTORY

Detailed explanation-1: -Because the Upanishads constitute the concluding portions of the Vedas, they are called vedanta (“the conclusion of the Vedas”), and they serve as the foundational texts in the theological discourses of many Hindu traditions that are also known as Vedanta.

Detailed explanation-2: -Rae notes that renowned mathematicians of Vedic culture viewed 108 as a number of the wholeness of existence. This number also connects the Sun, Moon, and Earth: The average distance of the Sun and the Moon to Earth is 108 times their respective diameters.

Detailed explanation-3: -More than 200 Upanishads have been discovered. Each Upanishad is associated with a certain Veda. There are 13 Upanishads which are most well known or most important – Katha, Kena, Isa, Mundaka, Prasna, Taittiriya, Chhandogya, Brihadaranyaka, Mandukya, Aitareya, Kaushitaki, Svetasvatara and Maitrayani.

Detailed explanation-4: -Ten Principal Upanishads known as ‘Dashopanishad’ are :Isha, Kena, Katha, Prashna, Munda, Mandukya, Taittiriya, Aitareya, Chandogya and Brihadaranyaka. Besides, Shvetashvatara, Kaushitaki and Maitrayaniya Upanishads are often listed in old Upanishads.