Firstly, I will be looking at Nyaya epistemology, thereafter the epistemology of the Vaisesika school and lastly before concluding compare these epistemologies to that of Gaudiya Vaishnavism.
Nyaya philosophy is one of the six orthodox schools of Hinduism. They have made major contributions to theories of logic, methodology and epistemology. The Nyaya school has four methods of obtaining knowledge which they feel to be the proper means of obtaining knowledge i.e. perception, inference, comparison/analogy, and testimony from reliable sources. All four methods are accepted but perception is seen as the ultimate source of such knowledge. These Nyaya theories where put together and developed into their pramana sastra, ‘means of knowledge’ (Phillips, 2012, 1-13). Perception, being the topmost level, is of two types i.e. ordinary and extraordinary (intuition and other supernatural means). Ordinary perception is based on the direct experience of one’s eyes, ears, nose, touch and taste, with the world. This form of perception according to them is faultless. Akṣapāda Gautama in his Nyaya Sutra (I,i.4) states that this perception is 'non-erroneous cognition which is produced by the intercourse