Declension table of ?gādhitavya

Neuter	Singular	Dual	Plural
Nominative	gādhitavyam	gādhitavye	gādhitavyāni
Vocative	gādhitavya	gādhitavye	gādhitavyāni
Accusative	gādhitavyam	gādhitavye	gādhitavyāni
Instrumental	gādhitavyena	gādhitavyābhyām	gādhitavyaiḥ
Dative	gādhitavyāya	gādhitavyābhyām	gādhitavyebhyaḥ
Ablative	gādhitavyāt	gādhitavyābhyām	gādhitavyebhyaḥ
Genitive	gādhitavyasya	gādhitavyayoḥ	gādhitavyānām
Locative	gādhitavye	gādhitavyayoḥ	gādhitavyeṣu

Compound gādhitavya -

Adverb -gādhitavyam -gādhitavyāt