Declension table of ?vasantasamayotsava

Masculine	Singular	Dual	Plural
Nominative	vasantasamayotsavaḥ	vasantasamayotsavau	vasantasamayotsavāḥ
Vocative	vasantasamayotsava	vasantasamayotsavau	vasantasamayotsavāḥ
Accusative	vasantasamayotsavam	vasantasamayotsavau	vasantasamayotsavān
Instrumental	vasantasamayotsavena	vasantasamayotsavābhyām	vasantasamayotsavaiḥ vasantasamayotsavebhiḥ
Dative	vasantasamayotsavāya	vasantasamayotsavābhyām	vasantasamayotsavebhyaḥ
Ablative	vasantasamayotsavāt	vasantasamayotsavābhyām	vasantasamayotsavebhyaḥ
Genitive	vasantasamayotsavasya	vasantasamayotsavayoḥ	vasantasamayotsavānām
Locative	vasantasamayotsave	vasantasamayotsavayoḥ	vasantasamayotsaveṣu

Compound vasantasamayotsava -

Adverb -vasantasamayotsavam -vasantasamayotsavāt