Declension table of ?poṣṭṛvara

Masculine	Singular	Dual	Plural
Nominative	poṣṭṛvaraḥ	poṣṭṛvarau	poṣṭṛvarāḥ
Vocative	poṣṭṛvara	poṣṭṛvarau	poṣṭṛvarāḥ
Accusative	poṣṭṛvaram	poṣṭṛvarau	poṣṭṛvarān
Instrumental	poṣṭṛvareṇa	poṣṭṛvarābhyām	poṣṭṛvaraiḥ poṣṭṛvarebhiḥ
Dative	poṣṭṛvarāya	poṣṭṛvarābhyām	poṣṭṛvarebhyaḥ
Ablative	poṣṭṛvarāt	poṣṭṛvarābhyām	poṣṭṛvarebhyaḥ
Genitive	poṣṭṛvarasya	poṣṭṛvarayoḥ	poṣṭṛvarāṇām
Locative	poṣṭṛvare	poṣṭṛvarayoḥ	poṣṭṛvareṣu

Compound poṣṭṛvara -

Adverb -poṣṭṛvaram -poṣṭṛvarāt