Declension table of ?maṅktavya

Masculine	Singular	Dual	Plural
Nominative	maṅktavyaḥ	maṅktavyau	maṅktavyāḥ
Vocative	maṅktavya	maṅktavyau	maṅktavyāḥ
Accusative	maṅktavyam	maṅktavyau	maṅktavyān
Instrumental	maṅktavyena	maṅktavyābhyām	maṅktavyaiḥ maṅktavyebhiḥ
Dative	maṅktavyāya	maṅktavyābhyām	maṅktavyebhyaḥ
Ablative	maṅktavyāt	maṅktavyābhyām	maṅktavyebhyaḥ
Genitive	maṅktavyasya	maṅktavyayoḥ	maṅktavyānām
Locative	maṅktavye	maṅktavyayoḥ	maṅktavyeṣu

Compound maṅktavya -

Adverb -maṅktavyam -maṅktavyāt