With reference to ancient India, what do you mean by patriliny form of the family?

Tracing descent from father to son, grandson and so on.

The correct answer is Option 1 - Tracing descent from father to son, grandson and so on.

Patriliny means tracing descent from father to son, grandson and so on. Patriliny is a form of family structure where male is given prominence.
Matriliny is the term used when descent is traced through the mother.