Sankaracarya extended his commentary on the Mandukyopanishad to include the Karika as well. It is said if one understands Mandukyopanishad, moksa is for sure.

Furthermore, the Upanishads are a significant piece of that order. As a matter of fact, they contain probably the most persuasive philosophical lessons of the age. They examine things, for example, contemplation, reasoning, a higher condition, and the ide...