Pratyakha (Pratyakshan) means direct perception. It is the first pramana (means of knowledge) in Jain dharma.

• What it is: Knowledge we gain directly through our senses and the mind, without needing testimony from others or any inference. For example, seeing a flame, tasting sweetness, or hearing a bell.
• How it works: The sense organs (eyes, ears, nose, tongue, skin) plus the mind/intentional awareness process the object as it appears to us. When the perception is correct, it is considered valid pratyaksha.
• Limitations and cautions: Direct perception can be faulty if our senses or mind are distracted, if we misinterpret what is seen, or if we are under wrong conditions (like darkness or illusion). Jain thinkers discuss how cognition should be checked by purified intention and complemented by other pramanas (like inference and testimony) to form true knowledge.
• In Digambar and Shwetambar views: Both traditions accept pratyaksha as a valid pramana, though they may differ in some technical details of epistemology or the interpretation of certain perceptual processes.

In short: Pratyakhan is the direct, sensorial knowledge we gain immediately, without relying on others’ words or on logical inference.