Here are some reasons why the swastik is drawn before starting various activities in Hinduism:

1. Symbol of Auspiciousness: The swastik is often considered a symbol of auspiciousness. By drawing it, individuals seek to invoke positive energy and blessings for the task at hand.
2. Invocation of Deities: The swastik is associated with various deities in Hinduism, including Ganesh, the remover of obstacles, and Lakshmi, the goddess of wealth and prosperity. Drawing a swastika is a way of invoking the presence and blessings of these deities.
3. Rituals and Ceremonies: In Hindu rituals, ceremonies, and pujas, the swastik is drawn on the ground or on various ritual items to sanctify and purify the space. It is believed to create a protective and positive environment.
4. Positive Vibes: The swastik is seen as a symbol that radiates positive vibrations. By drawing it, individuals aim to surround themselves with positivity and ward off negativity.
5. Cultural Tradition: Drawing a swastik before starting something has become a cultural tradition in Hinduism, passed down through generations. It is considered a customary practice that aligns with the cultural and religious values of the community.

It’s important to note that the orientation of the swastika matters in Hindu tradition. The right-facing swastik (clockwise) is considered auspicious, while the left-facing swastik (counterclockwise) is associated with inauspiciousness. This is in contrast to the tilted version used by the Nazis, which has a different connotation.

Overall, the practice of drawing a swastika before starting something in Hinduism is deeply rooted in the belief that it brings positive energy, blessings, and good fortune to the endeavor, creating a harmonious and auspicious environment.