Declension table of ?nidarśayitavya

Neuter	Singular	Dual	Plural
Nominative	nidarśayitavyam	nidarśayitavye	nidarśayitavyāni
Vocative	nidarśayitavya	nidarśayitavye	nidarśayitavyāni
Accusative	nidarśayitavyam	nidarśayitavye	nidarśayitavyāni
Instrumental	nidarśayitavyena	nidarśayitavyābhyām	nidarśayitavyaiḥ
Dative	nidarśayitavyāya	nidarśayitavyābhyām	nidarśayitavyebhyaḥ
Ablative	nidarśayitavyāt	nidarśayitavyābhyām	nidarśayitavyebhyaḥ
Genitive	nidarśayitavyasya	nidarśayitavyayoḥ	nidarśayitavyānām
Locative	nidarśayitavye	nidarśayitavyayoḥ	nidarśayitavyeṣu

Compound nidarśayitavya -

Adverb -nidarśayitavyam -nidarśayitavyāt