A Havan is a sacred ritual in which offerings are made to the fire. Fire is the central element of a Havan. Fire has been regarded as God in the Hindu religion. Hence, the offerings made to the sacred fire is said to purify the surroundings as well as the individuals.

Every Monday DAV Lucknow does the  chanting of mantras while performing Havan is to invoke gods and seek their blessings and favours. .