The “Bureau of Indian Standards (BIS)” recently developed an Indian Standard for “non-electric cooling cabinet made of clay or “Mitticool refrigerator”.
The developed standard is “IS 17693: 2022””.
Mitticool refrigerator has been invented by Mansukh Bhai Prajapati of Gujarat.
Mitticool is a clay-based natural refrigerator to store fruits, vegetables, and milk, and cooling water.
Stored foodstuffs can be kept cool naturally without using electricity.