Declension table of ?tattvajñānin

Neuter	Singular	Dual	Plural
Nominative	tattvajñāni	tattvajñāninī	tattvajñānīni
Vocative	tattvajñānin tattvajñāni	tattvajñāninī	tattvajñānīni
Accusative	tattvajñāni	tattvajñāninī	tattvajñānīni
Instrumental	tattvajñāninā	tattvajñānibhyām	tattvajñānibhiḥ
Dative	tattvajñānine	tattvajñānibhyām	tattvajñānibhyaḥ
Ablative	tattvajñāninaḥ	tattvajñānibhyām	tattvajñānibhyaḥ
Genitive	tattvajñāninaḥ	tattvajñāninoḥ	tattvajñāninām
Locative	tattvajñānini	tattvajñāninoḥ	tattvajñāniṣu

Compound tattvajñāni -

Adverb -tattvajñāni