Why 16 day prayer in Tamil culture?

In Tamil culture, the 16-day prayer, known as "Aasai Tharpu," is a significant ritual performed to honor and remember deceased loved ones. This period allows families to express their grief and seek blessings for the souls of the departed. It is believed that these prayers help in the spiritual journey of the deceased and provide comfort to the bereaved family. Additionally, this practice fosters community support and strengthens familial bonds during times of loss.