Declension table of ?dhartavya

Masculine	Singular	Dual	Plural
Nominative	dhartavyaḥ	dhartavyau	dhartavyāḥ
Vocative	dhartavya	dhartavyau	dhartavyāḥ
Accusative	dhartavyam	dhartavyau	dhartavyān
Instrumental	dhartavyena	dhartavyābhyām	dhartavyaiḥ dhartavyebhiḥ
Dative	dhartavyāya	dhartavyābhyām	dhartavyebhyaḥ
Ablative	dhartavyāt	dhartavyābhyām	dhartavyebhyaḥ
Genitive	dhartavyasya	dhartavyayoḥ	dhartavyānām
Locative	dhartavye	dhartavyayoḥ	dhartavyeṣu

Compound dhartavya -

Adverb -dhartavyam -dhartavyāt