**Tarpan on Mahalaya** is a significant ritual in Hindu culture, observed on the day of Mahalaya Amavasya, which marks the beginning of the Pitru Paksha (fortnight of ancestors). The ritual involves offering water and food to the departed souls of ancestors to express gratitude, seek their blessings, and ensure peace for their souls. The term **"tarpan"** is derived from the Sanskrit word *"trup,"* meaning to satisfy. It is performed near water bodies like rivers or ponds, with offerings that typically include black sesame seeds, rice, milk, and flowers. Devotees recite mantras and invoke the names of their ancestors while making these offerings. Mahalaya is particularly auspicious because it is believed that on this day, the spirits of ancestors descend to Earth. The ritual is rooted in the belief that honoring ancestors brings prosperity, peace, and removes obstacles in life.