Declension table of ?saṃvidāna

Neuter	Singular	Dual	Plural
Nominative	saṃvidānam	saṃvidāne	saṃvidānāni
Vocative	saṃvidāna	saṃvidāne	saṃvidānāni
Accusative	saṃvidānam	saṃvidāne	saṃvidānāni
Instrumental	saṃvidānena	saṃvidānābhyām	saṃvidānaiḥ
Dative	saṃvidānāya	saṃvidānābhyām	saṃvidānebhyaḥ
Ablative	saṃvidānāt	saṃvidānābhyām	saṃvidānebhyaḥ
Genitive	saṃvidānasya	saṃvidānayoḥ	saṃvidānānām
Locative	saṃvidāne	saṃvidānayoḥ	saṃvidāneṣu

Compound saṃvidāna -

Adverb -saṃvidānam -saṃvidānāt