Agni plays an important role in digestion of food. All the diseases are produced by Mandagni. Mandagni leads to the formation of Ama which is the root cause of Roga Utpatti. There are so many diseases originating beacause of Ama which are grouped under Ampradoshaja Vikara. Deepana and Pachana are considered under the heading of Shamanaushadhis. It is the first line of treatment selected in order to overcome Ampradoshaja Vikaras. They are very successfully utilised for the day to day practice.There are different views given by our Acharyas regarding Agni, Ama, Amaja Vikaras and role of Deepana and Pachana in their management which are highlighted in this article.

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Kashaya Kalpana, also called as Kwatha Kalpana is the third one among the Kashaya Kalpana. It is prepared by boiling the drug in water and reducing it to specific quantity. Different authors have explained different ratio for drug and water and the quantity of reduction also differs according to the purpose used. Acharya Harita and Bhoja have explained Kwatha according to the ratio of reduction and attributed different therapeutic properties according to the ratio of reduction. As per Harita, although the drug and quantity of water used are same for the preparation of Kwatha, if the reduction is different, each reduction will have different therapeutic actions and can be used for different disease conditions. Among the seven types of Kwatha 1/10th reduction and ½ reduction are said to be having Deepana and Pachana action respectively. The Deepana and Pachana action was assesed experimentally in albino rats by adopting some modern parameters. These parameters were logically selected by keeping the modern explaination of digestion and metabolism in mind. When the data obtained by above study is analysed, suggestive of moderate to good effect of Pachana and mild to moderate Deepana action is noted.

Arshas (haemorrhoids) is the commonest condition among the anorectal diseases in our day-to-day practice in terms of incidence. It is a very disagreeable condition for the patient and often creates restlessness. This disease has no particular sectorial affinity and is equally distributed throughout the world. Modern Science has very little to offer in terms of medicinal treatments of haemorrhoids. Prevalent modern para-surgical measures have been enumerated. Surgical techniques of performing haemorrhoidectomy are many and their complications such as pain, anal incontinence, stricture etc. are well known. Management of Arshas only on Ayurvedic lines seems to be more appropriate. Sushruta, basically a surgeon described four principal therapeutic measures in the management of Arshas, viz. medicinal, chemical cauterization, thermal cauterization and surgical excision. It may be pointed out here that enumeration of these measures in a definite order is suggestive of similar methods to be preferred first. By keeping all these principles in mind, a herbal formulation by name Surana Modaka is prepared to see its efficacy in Arshas.

Harita has explained seven types of Kwatha. Among the seven types of Kwatha 1/10th reduction and ½ reduction are said to be having Deepana and Pachana action respectively. The study is planned to study the concept of Deepana and Pachana Kwatha as explained by Harita. For this study, a well known Deepana- Pachana drug i.e. Chitraka is selected and the Kwatha is prepared. In the present study, the Deepana Kwatha (1/10th reduction), Pachana Kwatha(1/2 reduction) are compared with that of the Kwatha prepared by the 3/4th reduction in terms of analytical parameters and the findings were analysed.