This refers to Bhimseni camphor, a type of natural camphor derived from the Cinnamomum camphora tree. It is highly regarded for its aromatic properties and is widely used in spiritual rituals like poojas and havans for its purifying fragrance. Bhimseni camphor is believed to cleanse the environment, eliminate negative energies, and create a sacred atmosphere. It is also used in aromatherapy to alleviate stress and promote relaxation.