Declension table of ?vratayitavya

Neuter	Singular	Dual	Plural
Nominative	vratayitavyam	vratayitavye	vratayitavyāni
Vocative	vratayitavya	vratayitavye	vratayitavyāni
Accusative	vratayitavyam	vratayitavye	vratayitavyāni
Instrumental	vratayitavyena	vratayitavyābhyām	vratayitavyaiḥ
Dative	vratayitavyāya	vratayitavyābhyām	vratayitavyebhyaḥ
Ablative	vratayitavyāt	vratayitavyābhyām	vratayitavyebhyaḥ
Genitive	vratayitavyasya	vratayitavyayoḥ	vratayitavyānām
Locative	vratayitavye	vratayitavyayoḥ	vratayitavyeṣu

Compound vratayitavya -

Adverb -vratayitavyam -vratayitavyāt