One must learn all sacred texts through one’s preceptor, who will throw light on difficult passages in the texts. Attempts at self- learning can lead to misinterpretations, said M.A. Venkatakrishnan ...
The principal Upanishads are accepted to be those which Shankaracharya (AD 788-820) chose to comment upon. They are 10 in number and are enumerated in the Indian tradition as follows: Isha, Kena, ...