Declension table of ?rādhayitavya

Neuter	Singular	Dual	Plural
Nominative	rādhayitavyam	rādhayitavye	rādhayitavyāni
Vocative	rādhayitavya	rādhayitavye	rādhayitavyāni
Accusative	rādhayitavyam	rādhayitavye	rādhayitavyāni
Instrumental	rādhayitavyena	rādhayitavyābhyām	rādhayitavyaiḥ
Dative	rādhayitavyāya	rādhayitavyābhyām	rādhayitavyebhyaḥ
Ablative	rādhayitavyāt	rādhayitavyābhyām	rādhayitavyebhyaḥ
Genitive	rādhayitavyasya	rādhayitavyayoḥ	rādhayitavyānām
Locative	rādhayitavye	rādhayitavyayoḥ	rādhayitavyeṣu

Compound rādhayitavya -

Adverb -rādhayitavyam -rādhayitavyāt