Declension table of ?reṣitavya

Neuter	Singular	Dual	Plural
Nominative	reṣitavyam	reṣitavye	reṣitavyāni
Vocative	reṣitavya	reṣitavye	reṣitavyāni
Accusative	reṣitavyam	reṣitavye	reṣitavyāni
Instrumental	reṣitavyena	reṣitavyābhyām	reṣitavyaiḥ
Dative	reṣitavyāya	reṣitavyābhyām	reṣitavyebhyaḥ
Ablative	reṣitavyāt	reṣitavyābhyām	reṣitavyebhyaḥ
Genitive	reṣitavyasya	reṣitavyayoḥ	reṣitavyānām
Locative	reṣitavye	reṣitavyayoḥ	reṣitavyeṣu

Compound reṣitavya -

Adverb -reṣitavyam -reṣitavyāt