Declension table of ?bhartavya

Masculine	Singular	Dual	Plural
Nominative	bhartavyaḥ	bhartavyau	bhartavyāḥ
Vocative	bhartavya	bhartavyau	bhartavyāḥ
Accusative	bhartavyam	bhartavyau	bhartavyān
Instrumental	bhartavyena	bhartavyābhyām	bhartavyaiḥ bhartavyebhiḥ
Dative	bhartavyāya	bhartavyābhyām	bhartavyebhyaḥ
Ablative	bhartavyāt	bhartavyābhyām	bhartavyebhyaḥ
Genitive	bhartavyasya	bhartavyayoḥ	bhartavyānām
Locative	bhartavye	bhartavyayoḥ	bhartavyeṣu

Compound bhartavya -

Adverb -bhartavyam -bhartavyāt