Declension table of ?sandāna

Neuter	Singular	Dual	Plural
Nominative	sandānam	sandāne	sandānāni
Vocative	sandāna	sandāne	sandānāni
Accusative	sandānam	sandāne	sandānāni
Instrumental	sandānena	sandānābhyām	sandānaiḥ
Dative	sandānāya	sandānābhyām	sandānebhyaḥ
Ablative	sandānāt	sandānābhyām	sandānebhyaḥ
Genitive	sandānasya	sandānayoḥ	sandānānām
Locative	sandāne	sandānayoḥ	sandāneṣu

Compound sandāna -

Adverb -sandānam -sandānāt