Declension table of ?upadeṣṭṛ

Masculine	Singular	Dual	Plural
Nominative	upadeṣṭā	upadeṣṭārau	upadeṣṭāraḥ
Vocative	upadeṣṭaḥ	upadeṣṭārau	upadeṣṭāraḥ
Accusative	upadeṣṭāram	upadeṣṭārau	upadeṣṭṝn
Instrumental	upadeṣṭrā	upadeṣṭṛbhyām	upadeṣṭṛbhiḥ
Dative	upadeṣṭre	upadeṣṭṛbhyām	upadeṣṭṛbhyaḥ
Ablative	upadeṣṭuḥ	upadeṣṭṛbhyām	upadeṣṭṛbhyaḥ
Genitive	upadeṣṭuḥ	upadeṣṭroḥ	upadeṣṭṝṇām
Locative	upadeṣṭari	upadeṣṭroḥ	upadeṣṭṛṣu

Compound upadeṣṭṛ -

Adverb -upadeṣṭṛ