एक एव ऋषिर्यत्र प्रवरेष्वनुवर्तते । तावत्समानगोत्रत्वमृते भृग्वंगिरोगणात्
eka eva ṛṣiryatra pravareṣvanuvartate | tāvatsamānagotratvamṛte bhṛgvaṃgirogaṇāt
Wo in den Pravaras auch nur ein einziger ṛṣi‑Name gemeinsam ist, besteht in diesem Maße Gleichheit der Gotra—ausgenommen die Gruppen der Bhṛgu und der Aṅgiras, für die besondere überlieferte Unterscheidungen gelten.
Unspecified (general rule stated within the Dharmāraṇya Khaṇḍa discourse)
Scene: A teacher draws a simple diagram of overlapping circles labeled with ṛṣi-names; one circle is marked ‘Bhṛgu’ and another ‘Aṅgiras’ with a note ‘apavāda’ (exception).
Lineage is to be treated with precision in dharma; even partial overlap in pravara is morally consequential for marriage rules.
No tīrtha is mentioned; the verse is a technical dharma guideline.
A rule for determining gotra-sameness via pravara overlap, used to avoid prohibited marriages.