Griha Pravesh Puja is a traditional housewarming ceremony performed to bless and purify a new home. This auspicious ritual involves invoking Lord Ganesha, conducting Vastu Shanti puja, and performing a havan (fire ritual) to invite positive energy, prosperity, and happiness for the occupants. Key rituals include placing a decorated pot (kalash) at the entrance, chanting specific mantras, boiling milk to symbolize abundance, and sharing a festive meal with family and friends. This ceremony ensures a harmonious and blessed beginning in the new home.