The affix cha comes in the sense of descendant after the word svasṛ,
This debars अण् ॥ Thus स्वस्रीयः 'the sister's son.',
Adhyāya 4 · Pāda 1 · Rule 143
The affix cha comes in the sense of descendant after the word svasṛ,
This debars अण् ॥ Thus स्वस्रीयः 'the sister's son.',