Declension table of ?dṛtavat

Masculine	Singular	Dual	Plural
Nominative	dṛtavān	dṛtavantau	dṛtavantaḥ
Vocative	dṛtavan	dṛtavantau	dṛtavantaḥ
Accusative	dṛtavantam	dṛtavantau	dṛtavataḥ
Instrumental	dṛtavatā	dṛtavadbhyām	dṛtavadbhiḥ
Dative	dṛtavate	dṛtavadbhyām	dṛtavadbhyaḥ
Ablative	dṛtavataḥ	dṛtavadbhyām	dṛtavadbhyaḥ
Genitive	dṛtavataḥ	dṛtavatoḥ	dṛtavatām
Locative	dṛtavati	dṛtavatoḥ	dṛtavatsu

Compound dṛtavat -

Adverb -dṛtavantam