Chandi Havan, also known as Chandi Homam or Durga Saptashati Havan, is a Hindu ritual performed to seek the blessings of the goddess Chandi or Durga. It involves the recitation of the Durga Saptashati, a collection of 700 verses in praise of the goddess Durga, and the offering of oblations in the sacred fire.

The Chandi Havan is typically performed by a group of priests or pandits who are well-versed in the chanting of the Durga Saptashati. The ritual is usually conducted in a special fire pit or homa kunda, which is consecrated with mantras and offerings before the start of the ceremony.

During the Chandi Havan, various materials such as ghee, fruits, and flowers are offered to the sacred fire while the priests chant the verses of the Durga Saptashati. The ritual is believed to invoke the blessings and protection of the goddess Chandi, who is considered the embodiment of divine energy and the destroyer of evil.

The Chandi Havan is often performed during auspicious occasions such as weddings, housewarming ceremonies, or to overcome obstacles and negative energies in life. It is also believed to bring prosperity, good health, and happiness to the devotees who perform the ritual with sincerity and devotion.