Declension table of ?vasantavrata

Neuter	Singular	Dual	Plural
Nominative	vasantavratam	vasantavrate	vasantavratāni
Vocative	vasantavrata	vasantavrate	vasantavratāni
Accusative	vasantavratam	vasantavrate	vasantavratāni
Instrumental	vasantavratena	vasantavratābhyām	vasantavrataiḥ
Dative	vasantavratāya	vasantavratābhyām	vasantavratebhyaḥ
Ablative	vasantavratāt	vasantavratābhyām	vasantavratebhyaḥ
Genitive	vasantavratasya	vasantavratayoḥ	vasantavratānām
Locative	vasantavrate	vasantavratayoḥ	vasantavrateṣu

Compound vasantavrata -

Adverb -vasantavratam -vasantavratāt