Nanda Deepam lamp is typically made in different regions of the Indian subcontinent, where it holds religious and cultural significance. The making of Nanda Deepam involves skilled artisans and craftsmen who specialize in working with elements such as metal, clay, earthen materials, or other metals. Various areas of India have their unique variations related to this cultural practice. https://giriuk.com/category/puja/traditional-indian-lamps/traditional-lamps/