Declension table of ?gardayitavya

Neuter	Singular	Dual	Plural
Nominative	gardayitavyam	gardayitavye	gardayitavyāni
Vocative	gardayitavya	gardayitavye	gardayitavyāni
Accusative	gardayitavyam	gardayitavye	gardayitavyāni
Instrumental	gardayitavyena	gardayitavyābhyām	gardayitavyaiḥ
Dative	gardayitavyāya	gardayitavyābhyām	gardayitavyebhyaḥ
Ablative	gardayitavyāt	gardayitavyābhyām	gardayitavyebhyaḥ
Genitive	gardayitavyasya	gardayitavyayoḥ	gardayitavyānām
Locative	gardayitavye	gardayitavyayoḥ	gardayitavyeṣu

Compound gardayitavya -

Adverb -gardayitavyam -gardayitavyāt