Declension table of ?carttavya

Masculine	Singular	Dual	Plural
Nominative	carttavyaḥ	carttavyau	carttavyāḥ
Vocative	carttavya	carttavyau	carttavyāḥ
Accusative	carttavyam	carttavyau	carttavyān
Instrumental	carttavyena	carttavyābhyām	carttavyaiḥ carttavyebhiḥ
Dative	carttavyāya	carttavyābhyām	carttavyebhyaḥ
Ablative	carttavyāt	carttavyābhyām	carttavyebhyaḥ
Genitive	carttavyasya	carttavyayoḥ	carttavyānām
Locative	carttavye	carttavyayoḥ	carttavyeṣu

Compound carttavya -

Adverb -carttavyam -carttavyāt