Declension table of ?maṇitavya

Neuter	Singular	Dual	Plural
Nominative	maṇitavyam	maṇitavye	maṇitavyāni
Vocative	maṇitavya	maṇitavye	maṇitavyāni
Accusative	maṇitavyam	maṇitavye	maṇitavyāni
Instrumental	maṇitavyena	maṇitavyābhyām	maṇitavyaiḥ
Dative	maṇitavyāya	maṇitavyābhyām	maṇitavyebhyaḥ
Ablative	maṇitavyāt	maṇitavyābhyām	maṇitavyebhyaḥ
Genitive	maṇitavyasya	maṇitavyayoḥ	maṇitavyānām
Locative	maṇitavye	maṇitavyayoḥ	maṇitavyeṣu

Compound maṇitavya -

Adverb -maṇitavyam -maṇitavyāt