Declension table of ?siṣvidāna

Neuter	Singular	Dual	Plural
Nominative	siṣvidānam	siṣvidāne	siṣvidānāni
Vocative	siṣvidāna	siṣvidāne	siṣvidānāni
Accusative	siṣvidānam	siṣvidāne	siṣvidānāni
Instrumental	siṣvidānena	siṣvidānābhyām	siṣvidānaiḥ
Dative	siṣvidānāya	siṣvidānābhyām	siṣvidānebhyaḥ
Ablative	siṣvidānāt	siṣvidānābhyām	siṣvidānebhyaḥ
Genitive	siṣvidānasya	siṣvidānayoḥ	siṣvidānānām
Locative	siṣvidāne	siṣvidānayoḥ	siṣvidāneṣu

Compound siṣvidāna -

Adverb -siṣvidānam -siṣvidānāt