The festival of Diwali is celebrated across the country every year. It is customary to light a lamp at the main entrance of the house on the night of Diwali. This lamp is considered a significant symbol—representing the welcoming of Goddess Lakshmi, the prevention of negative energy from entering, and the fostering of happiness and prosperity within the home.

In Hinduism and Vastu Shastra, the threshold (doorstep) is regarded as a protective barrier for the house and a primary center of energy. But do you know why a lamp is lit at the main entrance on the night of Diwali? Let us explore this in detail in this article.

Welcoming Goddess Lakshmi and Prosperity
Goddess Lakshmi, the deity of wealth, enters the home through the main entrance. According to religious beliefs, Goddess Lakshmi traverses the Earth on the night of Diwali; therefore, a lamp is lit to welcome her into the home. Lighting a lamp at the main entrance is believed to bring auspicious results.

Protection Against Negative Energy
It is believed that lighting a lamp at the main entrance on the night of Diwali prevents negative energy from entering the home. Furthermore, it is thought to ward off the 'evil eye' and ensure that poverty does not take root in the household.

Remedy for Vastu Doshas (Architectural Flaws)
Lighting a lamp at the main entrance on the night of Diwali is considered highly auspicious and beneficial. It is believed that this practice enhances the flow of positive energy within the home and helps mitigate Vastu doshas (architectural or spatial imbalances).

Protection from Adversities
Placing a lamp filled with mustard or sesame oil on the threshold during Diwali also serves as a gesture of reverence toward Yamraj (the Lord of Death) and acts as a prayer for the family’s protection against untimely death and various crises.

Points to Keep in Mind
It is considered auspicious to use sesame oil or mustard oil for the lamp lit at the main entrance.
Do not place the lamp directly on the ground; ensure it is placed upon a bed of flower petals or rice grains (akshat).
Place one lamp on each side (right and left) of the main entrance.
Having the flame of the lamp oriented toward the north or east is considered the most auspicious and beneficial.

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