Declension table of ?sampidhāna

Neuter	Singular	Dual	Plural
Nominative	sampidhānam	sampidhāne	sampidhānāni
Vocative	sampidhāna	sampidhāne	sampidhānāni
Accusative	sampidhānam	sampidhāne	sampidhānāni
Instrumental	sampidhānena	sampidhānābhyām	sampidhānaiḥ
Dative	sampidhānāya	sampidhānābhyām	sampidhānebhyaḥ
Ablative	sampidhānāt	sampidhānābhyām	sampidhānebhyaḥ
Genitive	sampidhānasya	sampidhānayoḥ	sampidhānānām
Locative	sampidhāne	sampidhānayoḥ	sampidhāneṣu

Compound sampidhāna -

Adverb -sampidhānam -sampidhānāt