Question:

What is the Pramana of Angara Kosha?

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Associate "Angara" (Charcoal) with "Rajahasta" for Rasashala setup questions. Remember that most furnace-related measurements in Rasashastra follow standard Hasta or Rajahasta units.
Updated On: Aug 24, 2026
  • Rajahasta
  • Pradesha
  • Hasta
  • 12 Angula
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The Correct Option is A

Solution and Explanation

Concept:

• In Ayurveda, specifically in the context of Rasashastra (latrochemistry), a well-defined pharmacy or laboratory (Rasashala) is essential.

• Classical texts like Rasaratna Samuccaya provide detailed measurements (Pramana) for various sections of the Rasashala to ensure functional efficiency and safety.
Step 1: Defining Angara Kosha
Angara Kosha refers to the storage area or pit designated for charcoal (Angara) within the Rasashala.
Since charcoal is a primary fuel for ancient metallurgical and pharmaceutical processes, its storage needs specific dimensions.

Step 2: Understanding units of measurement
Ayurvedic texts use traditional units like Angula (finger-breadth), Hasta (cubit), and Rajahasta (royal cubit).
A Rajahasta is generally considered to be a slightly longer cubit, often equivalent to about 28 Angulas.

Step 3: Textual correlation for the measurement
According to the principles of Rasashala construction, the Angara Kosha (charcoal pit/store) should have the dimensions of one Rajahasta.
This provides sufficient volume for fuel storage needed for intensive heating processes like Putas or smelting.
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