Declension table of ?vijñātavya

Masculine	Singular	Dual	Plural
Nominative	vijñātavyaḥ	vijñātavyau	vijñātavyāḥ
Vocative	vijñātavya	vijñātavyau	vijñātavyāḥ
Accusative	vijñātavyam	vijñātavyau	vijñātavyān
Instrumental	vijñātavyena	vijñātavyābhyām	vijñātavyaiḥ vijñātavyebhiḥ
Dative	vijñātavyāya	vijñātavyābhyām	vijñātavyebhyaḥ
Ablative	vijñātavyāt	vijñātavyābhyām	vijñātavyebhyaḥ
Genitive	vijñātavyasya	vijñātavyayoḥ	vijñātavyānām
Locative	vijñātavye	vijñātavyayoḥ	vijñātavyeṣu

Compound vijñātavya -

Adverb -vijñātavyam -vijñātavyāt