Declension table of ?vechayitavya

Neuter	Singular	Dual	Plural
Nominative	vechayitavyam	vechayitavye	vechayitavyāni
Vocative	vechayitavya	vechayitavye	vechayitavyāni
Accusative	vechayitavyam	vechayitavye	vechayitavyāni
Instrumental	vechayitavyena	vechayitavyābhyām	vechayitavyaiḥ
Dative	vechayitavyāya	vechayitavyābhyām	vechayitavyebhyaḥ
Ablative	vechayitavyāt	vechayitavyābhyām	vechayitavyebhyaḥ
Genitive	vechayitavyasya	vechayitavyayoḥ	vechayitavyānām
Locative	vechayitavye	vechayitavyayoḥ	vechayitavyeṣu

Compound vechayitavya -

Adverb -vechayitavyam -vechayitavyāt