Grah Vastu Shanti Puja- Vastu is the deity of Lord Shankar, it is said that Lord Shankar I had given a boon to Vastu Purush that it is mandatory to worship you in any person who builds a new building on earth or does any land related work. In fact, it is mandatory to worship Lord Dhruvnarayan, the main Vastu Purush, Nag-Nagin, where has Vastushanti gone to him? Vastu Shanti Puja is for 3 days, 5 days, 7 days and 1 day.
According to the beliefs of Hindu religion, Vastu worship is done before entering (living) in a new house. By Vastu puja, the defects that remain in the construction of the house are eradicated. Staying in the house after Vastu Shanti brings health, peace, progress, and prosperity. Auspicious results are obtained in the house and peace remains.