Nanda Deepam lamp is commonly made in various regions of the Indian subcontinent, where it holds religious and cultural significance. The making of Nanda Deepam involves talented artisans and craftsmen who excel in working with materials such as brass, ceramics, or various metals. Different parts of India have their unique traditions related to this craft. https://giriuk.com/category/puja/traditional-indian-lamps/traditional-lamps/