Declension table of ?vecayitavya

Neuter	Singular	Dual	Plural
Nominative	vecayitavyam	vecayitavye	vecayitavyāni
Vocative	vecayitavya	vecayitavye	vecayitavyāni
Accusative	vecayitavyam	vecayitavye	vecayitavyāni
Instrumental	vecayitavyena	vecayitavyābhyām	vecayitavyaiḥ
Dative	vecayitavyāya	vecayitavyābhyām	vecayitavyebhyaḥ
Ablative	vecayitavyāt	vecayitavyābhyām	vecayitavyebhyaḥ
Genitive	vecayitavyasya	vecayitavyayoḥ	vecayitavyānām
Locative	vecayitavye	vecayitavyayoḥ	vecayitavyeṣu

Compound vecayitavya -

Adverb -vecayitavyam -vecayitavyāt