Bhaishajya Kalpana is the branch of different kinds of dosage forms and their therapeutic utility. Among the large number of formulations specified by Acharyas, the Panchavidha Kashaya Kalpanas are basic dosage forms from which other secondary dosage forms are prepared.Triphala Arka is an important formulation which is used in treating the diseases like Prameha, Kustha, Jwara and various Paitika Rogas7. Till today no pharmaceutical work has been carried out on Triphala Arka. Triphala Arka will be prepared as per the reference of Arka Prakasha7 Various textual references of Arka Kalpana, method of preparation of Arka. Drug review on Triphala explained in classics and various contemporary sciences. Details regarding Triphala Arka are collected and discussed.
For the present study a critical evaluation on preparation of Triphala Arka by following the Standard Operating Procedure (S.O.P) will be done by considering suitable phyto- chemical parameters which may add considerable input to the existing knowledge.