Declension table of ?mahāpraṇidhāna

Neuter	Singular	Dual	Plural
Nominative	mahāpraṇidhānam	mahāpraṇidhāne	mahāpraṇidhānāni
Vocative	mahāpraṇidhāna	mahāpraṇidhāne	mahāpraṇidhānāni
Accusative	mahāpraṇidhānam	mahāpraṇidhāne	mahāpraṇidhānāni
Instrumental	mahāpraṇidhānena	mahāpraṇidhānābhyām	mahāpraṇidhānaiḥ
Dative	mahāpraṇidhānāya	mahāpraṇidhānābhyām	mahāpraṇidhānebhyaḥ
Ablative	mahāpraṇidhānāt	mahāpraṇidhānābhyām	mahāpraṇidhānebhyaḥ
Genitive	mahāpraṇidhānasya	mahāpraṇidhānayoḥ	mahāpraṇidhānānām
Locative	mahāpraṇidhāne	mahāpraṇidhānayoḥ	mahāpraṇidhāneṣu

Compound mahāpraṇidhāna -

Adverb -mahāpraṇidhānam -mahāpraṇidhānāt