Declension table of ?vidyāratna

Neuter	Singular	Dual	Plural
Nominative	vidyāratnam	vidyāratne	vidyāratnāni
Vocative	vidyāratna	vidyāratne	vidyāratnāni
Accusative	vidyāratnam	vidyāratne	vidyāratnāni
Instrumental	vidyāratnena	vidyāratnābhyām	vidyāratnaiḥ
Dative	vidyāratnāya	vidyāratnābhyām	vidyāratnebhyaḥ
Ablative	vidyāratnāt	vidyāratnābhyām	vidyāratnebhyaḥ
Genitive	vidyāratnasya	vidyāratnayoḥ	vidyāratnānām
Locative	vidyāratne	vidyāratnayoḥ	vidyāratneṣu

Compound vidyāratna -

Adverb -vidyāratnam -vidyāratnāt