Charak Samhita – Nidana Sthana – Chapter 4 (Prameha Nidana) Abstract Charaka samhita is written by Acharya Charaka. Acharya charaka was a Disciple of Punarvasu Atreya. Charak samhita is a compilation of the ayurvedic Aspects including the Basic concepts, Diagnosis and Treatment. Charaka samhita has 8 sections and 120 chapters and in that 9295 sutras. In charaka samhita, The sutra sthana deals with the Basic principles, Nidana Sthana deals with pathology, Vimana sthana deals with Specific determination, Sharira sthana with