Declension table of ?nidarśayitavya

Masculine	Singular	Dual	Plural
Nominative	nidarśayitavyaḥ	nidarśayitavyau	nidarśayitavyāḥ
Vocative	nidarśayitavya	nidarśayitavyau	nidarśayitavyāḥ
Accusative	nidarśayitavyam	nidarśayitavyau	nidarśayitavyān
Instrumental	nidarśayitavyena	nidarśayitavyābhyām	nidarśayitavyaiḥ nidarśayitavyebhiḥ
Dative	nidarśayitavyāya	nidarśayitavyābhyām	nidarśayitavyebhyaḥ
Ablative	nidarśayitavyāt	nidarśayitavyābhyām	nidarśayitavyebhyaḥ
Genitive	nidarśayitavyasya	nidarśayitavyayoḥ	nidarśayitavyānām
Locative	nidarśayitavye	nidarśayitavyayoḥ	nidarśayitavyeṣu

Compound nidarśayitavya -

Adverb -nidarśayitavyam -nidarśayitavyāt