pratyaksha
pratyaksha is the instrument of knowledge that causes direct cognition of the objects in its purview.
It is of 7 types
1. sAkshi
2. manas
3. chakshu
4. srotra
5. tvak
6. ghrANa
7. rasana
Each of these sources of knowledge has its own significance and a unique area in which it mainly operates.
See Also...
anumana
Agama
pramANa