Havan, or sacred fire, is an indispensable part of Vedic rituals. In a Havan, ingredients such as guggle, loban, shakkar, giloye, and rice are offered to fire along with ghee and wood, amidst chanting of sacred Vedic mantras, which are set to a particular note, rhythm and sound vibration. It has been proved that the havans have scientific importance and helps in removing airborne diseases and viruses. Times of India reports The fumes that rise out of the sacred fires of the havan kund are known to reduce bacteria, and to kill fungi and pathogens in the atmosphere that increase after the monsoon. These are known to cause eye infections and viral fevers. According to a research study by Mamta Saksena, the fumes emanating from this sacred fire reduce the level of nitrogen dioxide (NO2) and sulphur dioxide (SO2) in the atmosphere. You can conduct this ritual once a month to keep your home and surroundings pure. Swami Niranjanananda Saraswati of the Bihar School of Yoga, says: &quo