Declension table of ?darptavya

Masculine	Singular	Dual	Plural
Nominative	darptavyaḥ	darptavyau	darptavyāḥ
Vocative	darptavya	darptavyau	darptavyāḥ
Accusative	darptavyam	darptavyau	darptavyān
Instrumental	darptavyena	darptavyābhyām	darptavyaiḥ darptavyebhiḥ
Dative	darptavyāya	darptavyābhyām	darptavyebhyaḥ
Ablative	darptavyāt	darptavyābhyām	darptavyebhyaḥ
Genitive	darptavyasya	darptavyayoḥ	darptavyānām
Locative	darptavye	darptavyayoḥ	darptavyeṣu

Compound darptavya -

Adverb -darptavyam -darptavyāt