Declension table of ?sahayitavya

Neuter	Singular	Dual	Plural
Nominative	sahayitavyam	sahayitavye	sahayitavyāni
Vocative	sahayitavya	sahayitavye	sahayitavyāni
Accusative	sahayitavyam	sahayitavye	sahayitavyāni
Instrumental	sahayitavyena	sahayitavyābhyām	sahayitavyaiḥ
Dative	sahayitavyāya	sahayitavyābhyām	sahayitavyebhyaḥ
Ablative	sahayitavyāt	sahayitavyābhyām	sahayitavyebhyaḥ
Genitive	sahayitavyasya	sahayitavyayoḥ	sahayitavyānām
Locative	sahayitavye	sahayitavyayoḥ	sahayitavyeṣu

Compound sahayitavya -

Adverb -sahayitavyam -sahayitavyāt