Punyahavachan) is an important Hindu ritual of purification that is traditionally performed before beginning auspicious religious functions. The word is used for a ceremonial recitation that declares the moment sacred and purifies the space, the materials used in the ritual, and the people involved. In many traditions, it includes the chanting of Vedic mantras, the worship of a kalasha, and sprinkling of sanctified water over the venue and participants.

This ritual is widely described as a preparatory act before Vaidika karmas such as marriage, homa, naming ceremonies, and other sacred observances. Its purpose is not only external cleansing but also spiritual preparation, creating an atmosphere of peace, auspiciousness, and divine presence. Some sources also describe it as a cleansing practice used after life events like childbirth or funeral-related impurity periods in certain traditions.

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