Declension table of ?jñātavya

Masculine	Singular	Dual	Plural
Nominative	jñātavyaḥ	jñātavyau	jñātavyāḥ
Vocative	jñātavya	jñātavyau	jñātavyāḥ
Accusative	jñātavyam	jñātavyau	jñātavyān
Instrumental	jñātavyena	jñātavyābhyām	jñātavyaiḥ jñātavyebhiḥ
Dative	jñātavyāya	jñātavyābhyām	jñātavyebhyaḥ
Ablative	jñātavyāt	jñātavyābhyām	jñātavyebhyaḥ
Genitive	jñātavyasya	jñātavyayoḥ	jñātavyānām
Locative	jñātavye	jñātavyayoḥ	jñātavyeṣu

Compound jñātavya -

Adverb -jñātavyam -jñātavyāt