Declension table of ?detavya

Neuter	Singular	Dual	Plural
Nominative	detavyam	detavye	detavyāni
Vocative	detavya	detavye	detavyāni
Accusative	detavyam	detavye	detavyāni
Instrumental	detavyena	detavyābhyām	detavyaiḥ
Dative	detavyāya	detavyābhyām	detavyebhyaḥ
Ablative	detavyāt	detavyābhyām	detavyebhyaḥ
Genitive	detavyasya	detavyayoḥ	detavyānām
Locative	detavye	detavyayoḥ	detavyeṣu

Compound detavya -

Adverb -detavyam -detavyāt