Declension table of nidāna

Neuter	Singular	Dual	Plural
Nominative	nidānam	nidāne	nidānāni
Vocative	nidāna	nidāne	nidānāni
Accusative	nidānam	nidāne	nidānāni
Instrumental	nidānena	nidānābhyām	nidānaiḥ
Dative	nidānāya	nidānābhyām	nidānebhyaḥ
Ablative	nidānāt	nidānābhyām	nidānebhyaḥ
Genitive	nidānasya	nidānayoḥ	nidānānām
Locative	nidāne	nidānayoḥ	nidāneṣu

Compound nidāna -

Adverb -nidānam -nidānāt