Declension table of ?marvitavya

Neuter	Singular	Dual	Plural
Nominative	marvitavyam	marvitavye	marvitavyāni
Vocative	marvitavya	marvitavye	marvitavyāni
Accusative	marvitavyam	marvitavye	marvitavyāni
Instrumental	marvitavyena	marvitavyābhyām	marvitavyaiḥ
Dative	marvitavyāya	marvitavyābhyām	marvitavyebhyaḥ
Ablative	marvitavyāt	marvitavyābhyām	marvitavyebhyaḥ
Genitive	marvitavyasya	marvitavyayoḥ	marvitavyānām
Locative	marvitavye	marvitavyayoḥ	marvitavyeṣu

Compound marvitavya -

Adverb -marvitavyam -marvitavyāt