Declension table of ?didyāna

Neuter	Singular	Dual	Plural
Nominative	didyānam	didyāne	didyānāni
Vocative	didyāna	didyāne	didyānāni
Accusative	didyānam	didyāne	didyānāni
Instrumental	didyānena	didyānābhyām	didyānaiḥ
Dative	didyānāya	didyānābhyām	didyānebhyaḥ
Ablative	didyānāt	didyānābhyām	didyānebhyaḥ
Genitive	didyānasya	didyānayoḥ	didyānānām
Locative	didyāne	didyānayoḥ	didyāneṣu

Compound didyāna -

Adverb -didyānam -didyānāt