Declension table of ?dṛḍhasena

Masculine	Singular	Dual	Plural
Nominative	dṛḍhasenaḥ	dṛḍhasenau	dṛḍhasenāḥ
Vocative	dṛḍhasena	dṛḍhasenau	dṛḍhasenāḥ
Accusative	dṛḍhasenam	dṛḍhasenau	dṛḍhasenān
Instrumental	dṛḍhasenena	dṛḍhasenābhyām	dṛḍhasenaiḥ dṛḍhasenebhiḥ
Dative	dṛḍhasenāya	dṛḍhasenābhyām	dṛḍhasenebhyaḥ
Ablative	dṛḍhasenāt	dṛḍhasenābhyām	dṛḍhasenebhyaḥ
Genitive	dṛḍhasenasya	dṛḍhasenayoḥ	dṛḍhasenānām
Locative	dṛḍhasene	dṛḍhasenayoḥ	dṛḍhaseneṣu

Compound dṛḍhasena -

Adverb -dṛḍhasenam -dṛḍhasenāt