Om is a sacred sound and symbol in Hinduism and other Indian religions, and is often used in spiritual practices such as meditation and yoga. Astrovastu is a system of knowledge that combines astrology and Vastu Shastra (an ancient Indian system of architecture) to create a harmonious living space that promotes health, prosperity, and spiritual growth.

In Astrovastu, the use of the Om symbol is considered to be an important element in creating a positive energy flow in the home or living space. The sound of Om is said to resonate with the vibrations of the universe and can be used to purify and energize the environment.

One common practice in Astrovastu is to place the Om symbol in various parts of the home or living space to create a positive energy flow. The symbol can be painted on walls, placed on doors or windows, or incorporated into decor items such as wall hangings or statues. The use of the Om symbol is believed to promote peace, harmony, and spiritual growth in the home.

In addition to the use of the Om symbol, Astrovastu also emphasizes the importance of aligning the living space with the natural elements and energies of the universe. This may involve selecting the best direction and location for each room in the house, incorporating natural materials such as wood and stone, and using colors and decor items that promote positive energy flow.

The use of the Om symbol in Astrovastu is a way of incorporating spiritual practices into the design and layout of the living space. By creating a harmonious and positive environment, Astrovastu seeks to promote health, prosperity, and spiritual growth for the occupants of the home.