Declension table of ?dattāvadhāna

Neuter	Singular	Dual	Plural
Nominative	dattāvadhānam	dattāvadhāne	dattāvadhānāni
Vocative	dattāvadhāna	dattāvadhāne	dattāvadhānāni
Accusative	dattāvadhānam	dattāvadhāne	dattāvadhānāni
Instrumental	dattāvadhānena	dattāvadhānābhyām	dattāvadhānaiḥ
Dative	dattāvadhānāya	dattāvadhānābhyām	dattāvadhānebhyaḥ
Ablative	dattāvadhānāt	dattāvadhānābhyām	dattāvadhānebhyaḥ
Genitive	dattāvadhānasya	dattāvadhānayoḥ	dattāvadhānānām
Locative	dattāvadhāne	dattāvadhānayoḥ	dattāvadhāneṣu

Compound dattāvadhāna -

Adverb -dattāvadhānam -dattāvadhānāt