Cow dung cakes are commonly used in Hindu pooja and homam ceremonies as a traditional fuel source. These cakes are made by collecting cow dung and drying it into small disc-shaped cakes. During the homam ceremony, the cow dung cakes are typically arranged in a special fire pit called a homa kunda. The fire is lit using ghee and other offerings, and the cow dung cakes are added to the fire as a fuel source. The heat generated by the fire is believed to create a powerful energy field that can purify the environment and enhance spiritual energy.the use of cow dung cakes in Hindu pooja and homam ceremonies is an important part of traditional Hindu culture, and it is believed to help create a sacred atmosphere and purify the environment