Declension table of attavya

Neuter	Singular	Dual	Plural
Nominative	attavyam	attavye	attavyāni
Vocative	attavya	attavye	attavyāni
Accusative	attavyam	attavye	attavyāni
Instrumental	attavyena	attavyābhyām	attavyaiḥ
Dative	attavyāya	attavyābhyām	attavyebhyaḥ
Ablative	attavyāt	attavyābhyām	attavyebhyaḥ
Genitive	attavyasya	attavyayoḥ	attavyānām
Locative	attavye	attavyayoḥ	attavyeṣu

Compound attavya -

Adverb -attavyam -attavyāt