Declension table of ?vasantasena

Masculine	Singular	Dual	Plural
Nominative	vasantasenaḥ	vasantasenau	vasantasenāḥ
Vocative	vasantasena	vasantasenau	vasantasenāḥ
Accusative	vasantasenam	vasantasenau	vasantasenān
Instrumental	vasantasenena	vasantasenābhyām	vasantasenaiḥ vasantasenebhiḥ
Dative	vasantasenāya	vasantasenābhyām	vasantasenebhyaḥ
Ablative	vasantasenāt	vasantasenābhyām	vasantasenebhyaḥ
Genitive	vasantasenasya	vasantasenayoḥ	vasantasenānām
Locative	vasantasene	vasantasenayoḥ	vasantaseneṣu

Compound vasantasena -

Adverb -vasantasenam -vasantasenāt