Declension table of hātavya

Neuter	Singular	Dual	Plural
Nominative	hātavyam	hātavye	hātavyāni
Vocative	hātavya	hātavye	hātavyāni
Accusative	hātavyam	hātavye	hātavyāni
Instrumental	hātavyena	hātavyābhyām	hātavyaiḥ
Dative	hātavyāya	hātavyābhyām	hātavyebhyaḥ
Ablative	hātavyāt	hātavyābhyām	hātavyebhyaḥ
Genitive	hātavyasya	hātavyayoḥ	hātavyānām
Locative	hātavye	hātavyayoḥ	hātavyeṣu

Compound hātavya -

Adverb -hātavyam -hātavyāt