Declension table of āgantavya

Neuter	Singular	Dual	Plural
Nominative	āgantavyam	āgantavye	āgantavyāni
Vocative	āgantavya	āgantavye	āgantavyāni
Accusative	āgantavyam	āgantavye	āgantavyāni
Instrumental	āgantavyena	āgantavyābhyām	āgantavyaiḥ
Dative	āgantavyāya	āgantavyābhyām	āgantavyebhyaḥ
Ablative	āgantavyāt	āgantavyābhyām	āgantavyebhyaḥ
Genitive	āgantavyasya	āgantavyayoḥ	āgantavyānām
Locative	āgantavye	āgantavyayoḥ	āgantavyeṣu

Compound āgantavya -

Adverb -āgantavyam -āgantavyāt