Declension table of ?bhartavya

Neuter	Singular	Dual	Plural
Nominative	bhartavyam	bhartavye	bhartavyāni
Vocative	bhartavya	bhartavye	bhartavyāni
Accusative	bhartavyam	bhartavye	bhartavyāni
Instrumental	bhartavyena	bhartavyābhyām	bhartavyaiḥ
Dative	bhartavyāya	bhartavyābhyām	bhartavyebhyaḥ
Ablative	bhartavyāt	bhartavyābhyām	bhartavyebhyaḥ
Genitive	bhartavyasya	bhartavyayoḥ	bhartavyānām
Locative	bhartavye	bhartavyayoḥ	bhartavyeṣu

Compound bhartavya -

Adverb -bhartavyam -bhartavyāt