shubhkart indian copper kalash, lota for festival puja (small) shubhkart manufactured with fine quality copper the copper lota is used to store holy sacred water during hawans and other puja rituals use of the product : manufactured with high quality material, the copper kalash is considered to be an important puja accessory you would want to possess. specially used to store holy sacred water, this kalash also signifies the true sense of spirituality and grandeur.