Modern form of Koshti, development of machines, and Baluka-puṭa. These topics are important in Ayurveda, Chemistry and Indian Medicine. Let us understand them sequentially in a simple and educational manner—
1. Modern form of Koshti / Furnace systems
Definition:
In Ayurvedic Chemistry, Koshti is a furnace/Bhasmkund made for Agnikarma. It was used in various types of Puta-pāka process, metal purification, grinding and medicine manufacturing.
Modern form:
In today's time, modern machines have replaced the traditional Koshti—
Electric Muffle Furnace:
Mostly used due to temperature control and accuracy.
Gas Furnace:
Provides heat in a controlled and uniform manner.
Hot air oven / induction furnace:
For moisture-free and uniform heat distribution.
Crucible furnace:
For melting metals and chemicals.
➡ The heat generated from traditional cow dung, wood, coal has now been replaced by modern Electric / LPG / Induction heating.
2. Evolution of Yantras / Instruments in Ayurveda & Rasashastra
Ancient period:
Ayurvedacharyas have mentioned about 28 types of yantras (in Sushruta Samhita, Rasayan texts).
These yantras were mainly used for metal purification, ashing, grinding, melting etc.
Examples: Dolayantra, Pātanayantra, Svedanayantra, Tiryakpātana yantra, Valuka yantra etc.
Medieval period:
With the development of metal and chemistry, the technology of yantras advanced.
Permanent yantras made of clay and metal were made.
Modern period:
Traditional yantras were transformed into modern scientific equipments, such as—
Distillation apparatus (modern form of Patanayantra)
Soxhlet extractor (for Sneha paka)
Autoclave (modern form of Swedana yantra)
Hot plate, magnetic stirrer, centrifuge etc.
➡ Conclusion: The principles of traditional yantras are still the same, only the form has changed with metal, glass and electric technology.
3. Baluka-puṭa
Definition:
Bāluka (balu, sand) + puṭa (cover, covering) → Puṭa given by covering with sand.
This is an important heat-giving method used in Rasashastra.
Procedure:
The metal/medicine is filled in a vessel (generally Sharava sampuṭa or iron vessel).
The vessel is covered with dry sand from all sides.
The entire assembly is placed on fire.
The sand distributes the heat evenly and provides constant and controlled heating to the metal/drug.
Advantages:
The temperature is reached slowly and evenly.
The medicine or metal is protected from burning or deformation.
Especially useful in mercury, metal ash, and mineral liquefaction.
Modern form:
Balukaput has now been replaced by Sand Bath apparatus, which is used in laboratories both in chemistry and Ayurveda.
✅ Thus, Koshthi, Yantra and Balukaput are the foundation of Ayurvedic chemistry, which have been developed by modern science as safer and more accurate instruments.
Yes ✅ Absolutely.
Pictures/Diagrams + Comparison Table will help students understand this topic more clearly.
I can present your three topics (Koshti, Yantra, Balukaput) like this—
📊 Comparison Table (Traditional vs Modern)
Topic Traditional Form (TRADITIONAL) Modern Form (MODERN)
Koshti (Koshti – Furnace) Furnace that burns cow dung, wood, coal; Electric Muffle Furnace, Gas Furnace, Hot Air Oven, Induction Furnace made of clay/brick
Yantras (Instruments) 28 types – Dolayantra, Patanyantra, Swedanayantra, Balukayantra etc. Distillation Unit, Autoclave, Soxhlet extractor, Hot plate, Magnetic stirrer
Bāluka-puṭa – Sand heating system – Keeping the medicine/metal in a container and covering it with dry sand all around and heating it with fire. Laboratory Sand Bath (electric/gas), Controlled heating device
🖼️ Diagram/picture idea
Cell:
Traditional: Square/round furnace made of clay/brick in which fire of wood or cow dung is lit.
Modern: Picture of Electric Muffle Furnace (with digital temperature meter).
Yantras:
Traditional: Dolayantra (vessel hanging from two rods in hot water).
Modern: Autoclave or Distillation apparatus.
Balukaput:
Traditional: Earthen vessel, filled with sand around and fire below.
Modern: Lab Sand Bath (steel container on top of electric heating plate, filled with sand).
✍️ लेखनकर्ता: सुनील कश्यप
संस्थापक – NCISM Notes | आयुर्वेद छात्र
