Declension table of ?maṇṭayitavya

Masculine	Singular	Dual	Plural
Nominative	maṇṭayitavyaḥ	maṇṭayitavyau	maṇṭayitavyāḥ
Vocative	maṇṭayitavya	maṇṭayitavyau	maṇṭayitavyāḥ
Accusative	maṇṭayitavyam	maṇṭayitavyau	maṇṭayitavyān
Instrumental	maṇṭayitavyena	maṇṭayitavyābhyām	maṇṭayitavyaiḥ maṇṭayitavyebhiḥ
Dative	maṇṭayitavyāya	maṇṭayitavyābhyām	maṇṭayitavyebhyaḥ
Ablative	maṇṭayitavyāt	maṇṭayitavyābhyām	maṇṭayitavyebhyaḥ
Genitive	maṇṭayitavyasya	maṇṭayitavyayoḥ	maṇṭayitavyānām
Locative	maṇṭayitavye	maṇṭayitavyayoḥ	maṇṭayitavyeṣu

Compound maṇṭayitavya -

Adverb -maṇṭayitavyam -maṇṭayitavyāt