Declension table of āgantavya

Masculine	Singular	Dual	Plural
Nominative	āgantavyaḥ	āgantavyau	āgantavyāḥ
Vocative	āgantavya	āgantavyau	āgantavyāḥ
Accusative	āgantavyam	āgantavyau	āgantavyān
Instrumental	āgantavyena	āgantavyābhyām	āgantavyaiḥ āgantavyebhiḥ
Dative	āgantavyāya	āgantavyābhyām	āgantavyebhyaḥ
Ablative	āgantavyāt	āgantavyābhyām	āgantavyebhyaḥ
Genitive	āgantavyasya	āgantavyayoḥ	āgantavyānām
Locative	āgantavye	āgantavyayoḥ	āgantavyeṣu

Compound āgantavya -

Adverb -āgantavyam -āgantavyāt