Declension table of ?darptavya

Neuter	Singular	Dual	Plural
Nominative	darptavyam	darptavye	darptavyāni
Vocative	darptavya	darptavye	darptavyāni
Accusative	darptavyam	darptavye	darptavyāni
Instrumental	darptavyena	darptavyābhyām	darptavyaiḥ
Dative	darptavyāya	darptavyābhyām	darptavyebhyaḥ
Ablative	darptavyāt	darptavyābhyām	darptavyebhyaḥ
Genitive	darptavyasya	darptavyayoḥ	darptavyānām
Locative	darptavye	darptavyayoḥ	darptavyeṣu

Compound darptavya -

Adverb -darptavyam -darptavyāt