Declension table of ?dhrāgayitavya

Neuter	Singular	Dual	Plural
Nominative	dhrāgayitavyam	dhrāgayitavye	dhrāgayitavyāni
Vocative	dhrāgayitavya	dhrāgayitavye	dhrāgayitavyāni
Accusative	dhrāgayitavyam	dhrāgayitavye	dhrāgayitavyāni
Instrumental	dhrāgayitavyena	dhrāgayitavyābhyām	dhrāgayitavyaiḥ
Dative	dhrāgayitavyāya	dhrāgayitavyābhyām	dhrāgayitavyebhyaḥ
Ablative	dhrāgayitavyāt	dhrāgayitavyābhyām	dhrāgayitavyebhyaḥ
Genitive	dhrāgayitavyasya	dhrāgayitavyayoḥ	dhrāgayitavyānām
Locative	dhrāgayitavye	dhrāgayitavyayoḥ	dhrāgayitavyeṣu

Compound dhrāgayitavya -

Adverb -dhrāgayitavyam -dhrāgayitavyāt