Declension table of nidhana

Neuter	Singular	Dual	Plural
Nominative	nidhanam	nidhane	nidhanāni
Vocative	nidhana	nidhane	nidhanāni
Accusative	nidhanam	nidhane	nidhanāni
Instrumental	nidhanena	nidhanābhyām	nidhanaiḥ
Dative	nidhanāya	nidhanābhyām	nidhanebhyaḥ
Ablative	nidhanāt	nidhanābhyām	nidhanebhyaḥ
Genitive	nidhanasya	nidhanayoḥ	nidhanānām
Locative	nidhane	nidhanayoḥ	nidhaneṣu

Compound nidhana -

Adverb -nidhanam -nidhanāt