Nanda Deepam is commonly made in various regions of India, where it holds cultural and spiritual significance. The making of Nanda Deepam involves experienced artisans and craftsmen who specialize in working with substances such as metal, clay, earthen materials, or other metals. Different parts of India have their unique styles related to this cultural practice. https://giriuk.com/category/puja/traditional-indian-lamps/traditional-lamps/