Narayan Bali is best for the peace of a known father. If a person in your family whose death has died, then only his peace can not be attained by general peace, in which case Narayana should be sacrificed.
Narayan Bali dakshina amount is only Rs.15,000 / –
General Shradh for general Pitri Dosh Shanti.
This common sense is best for your ancestors in the paternal side, whether it is a Shraddha or not, but everybody should do it, because the ancestors are pleased and the age, education, achievement and strength are realized.