Declension table of ?upatṛṇya

Masculine	Singular	Dual	Plural
Nominative	upatṛṇyaḥ	upatṛṇyau	upatṛṇyāḥ
Vocative	upatṛṇya	upatṛṇyau	upatṛṇyāḥ
Accusative	upatṛṇyam	upatṛṇyau	upatṛṇyān
Instrumental	upatṛṇyena	upatṛṇyābhyām	upatṛṇyaiḥ upatṛṇyebhiḥ
Dative	upatṛṇyāya	upatṛṇyābhyām	upatṛṇyebhyaḥ
Ablative	upatṛṇyāt	upatṛṇyābhyām	upatṛṇyebhyaḥ
Genitive	upatṛṇyasya	upatṛṇyayoḥ	upatṛṇyānām
Locative	upatṛṇye	upatṛṇyayoḥ	upatṛṇyeṣu

Compound upatṛṇya -

Adverb -upatṛṇyam -upatṛṇyāt