In Jain tradition, gotra means your family lineage / clan name. It is mainly used for marriage rules (not marrying in the same gotra), not for spiritual status.

To know your gotra, you usually cannot “calculate” it yourself – you have to trace it from family and community records:

1. Ask your parents and elders

- First ask your father, mother, dada–dadi, nana–nani, chacha, mama, etc. - Many times they know the gotra, kul, vansh or gnyati, even if you have never heard it.

1. Check old documents at home

- Old marriage cards, engagement cards, family diaries, or “parivaar ki pothi” sometimes mention: - Gotra / Kul - Gnyati / caste (like Oswal, Porwal, etc. in some communities) - See your parents’ or grandparents’ marriage cards carefully.

1. Ask your community people

- Ask respected elders of your Jain sangh / samaj: - e.g. people who arrange marriages, manage derasar records, or are known as “genealogy experts” in the samaj. - Many Jain communities keep a list of family names with their gotras.

1. Temple or samaj records

- Some derasars / community halls maintain registers with family details (especially where samaj-arranged marriages are common). - You can request them to check by your surname + ancestor’s name + native place.

1. Relatives with the same surname

- If you really don’t find it, ask paternal cousins / relatives with the same family name and same original village; you all usually share the same gotra.

1. Don’t guess for marriage purposes

- In Jain custom, marrying within the same gotra is usually avoided. - So if the question is related to marriage, do not decide gotra by guess. - Take help from elders + community leaders and follow your particular sampradāy / samaj rule (Digambar / Śvetāmbara customs may vary by region, but basic idea of gotra as lineage is same).

Spiritually, your guna-sthān, vows (vrat), and conduct are important, not gotra. Gotra is mainly a social-family identifier, so best source is your family and community records, not any online calculator or formula.