The syllable in of a aṅga (stem) ending in in remains unchanged before aṇ when a conjunct consonant precedes it.,
Thus शाङ्किनेऽपत्यं = शाङ्किनः, याद्रिणः, वाज्जिणः ॥,
Adhyāya 6 · Pāda 4 · Rule 166
The syllable in of a aṅga (stem) ending in in remains unchanged before aṇ when a conjunct consonant precedes it.,
Thus शाङ्किनेऽपत्यं = शाङ्किनः, याद्रिणः, वाज्जिणः ॥,