Declension table of ?vyāhartavya

Neuter	Singular	Dual	Plural
Nominative	vyāhartavyam	vyāhartavye	vyāhartavyāni
Vocative	vyāhartavya	vyāhartavye	vyāhartavyāni
Accusative	vyāhartavyam	vyāhartavye	vyāhartavyāni
Instrumental	vyāhartavyena	vyāhartavyābhyām	vyāhartavyaiḥ
Dative	vyāhartavyāya	vyāhartavyābhyām	vyāhartavyebhyaḥ
Ablative	vyāhartavyāt	vyāhartavyābhyām	vyāhartavyebhyaḥ
Genitive	vyāhartavyasya	vyāhartavyayoḥ	vyāhartavyānām
Locative	vyāhartavye	vyāhartavyayoḥ	vyāhartavyeṣu

Compound vyāhartavya -

Adverb -vyāhartavyam -vyāhartavyāt