How do ancestors bless us, and how do we receive their blessings?
by remembering them with gratitude, living by their good values and caring for the family — that is what pleases ancestors most.
In the Hindu view, the family line is a chain of gratitude. Our ancestors gave us life, name, culture and often hard-won comforts. The tradition counts “pitṛ-ṛṇa”, the debt to ancestors, among the debts every person carries. It is repaid by remembering them, continuing good family traditions, raising children well and living honestly.
This is why many families invoke ancestors at happy occasions too — before a wedding there is nāndī śrāddha, a joyful offering asking the ancestors' blessings. Bowing to elders and caring for the aged are seen as blessings flowing between generations.
So blessings are not bought through ritual alone. A family that is kind, united and generous, that feeds the hungry and keeps the ancestors' good name, is said to live under their protection. Śrāddha and tarpaṇa are the formal language of that gratitude.
Source: Taittirīya Saṃhitā (three debts); nāndī śrāddha in gṛhya rites
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