Parvan Shradh, also known as Mahalaya Paksha, is a Hindu ritual performed to pay homage to departed ancestors or forefathers during the lunar fortnight known as Pitru Paksha. Pitru Paksha is a 16-day period that falls in the Hindu lunar month of Ashwin (September-October).

During Parvan Shradh, family members offer food and water to their ancestors while chanting Vedic mantras and performing specific rituals. The food offered during the ceremony is usually vegetarian and prepared with special care and attention to detail.

Parvan Shradh is an important ritual in Hindu tradition, and it is believed that performing the ceremony with devotion and sincerity can help the departed soul attain peace and liberation. It is also a way for the family members to express their love, respect, and gratitude towards their ancestors.

It is important to note that the Parvan Shradh ceremony may vary in different regions and communities, and there may be some specific customs and traditions followed during the ceremony. The ceremony should be performed with respect and devotion to ensure the well-being and peace of the departed souls. It is typically performed under the guidance of a priest or a qualified person who has experience in performing such rituals.