Declension table of ?ādhātavya

Neuter	Singular	Dual	Plural
Nominative	ādhātavyam	ādhātavye	ādhātavyāni
Vocative	ādhātavya	ādhātavye	ādhātavyāni
Accusative	ādhātavyam	ādhātavye	ādhātavyāni
Instrumental	ādhātavyena	ādhātavyābhyām	ādhātavyaiḥ
Dative	ādhātavyāya	ādhātavyābhyām	ādhātavyebhyaḥ
Ablative	ādhātavyāt	ādhātavyābhyām	ādhātavyebhyaḥ
Genitive	ādhātavyasya	ādhātavyayoḥ	ādhātavyānām
Locative	ādhātavye	ādhātavyayoḥ	ādhātavyeṣu

Compound ādhātavya -

Adverb -ādhātavyam -ādhātavyāt