Declension table of ?vidyātva

Neuter	Singular	Dual	Plural
Nominative	vidyātvam	vidyātve	vidyātvāni
Vocative	vidyātva	vidyātve	vidyātvāni
Accusative	vidyātvam	vidyātve	vidyātvāni
Instrumental	vidyātvena	vidyātvābhyām	vidyātvaiḥ
Dative	vidyātvāya	vidyātvābhyām	vidyātvebhyaḥ
Ablative	vidyātvāt	vidyātvābhyām	vidyātvebhyaḥ
Genitive	vidyātvasya	vidyātvayoḥ	vidyātvānām
Locative	vidyātve	vidyātvayoḥ	vidyātveṣu

Compound vidyātva -

Adverb -vidyātvam -vidyātvāt