Declension table of ?rahasyagāna

Neuter	Singular	Dual	Plural
Nominative	rahasyagānam	rahasyagāne	rahasyagānāni
Vocative	rahasyagāna	rahasyagāne	rahasyagānāni
Accusative	rahasyagānam	rahasyagāne	rahasyagānāni
Instrumental	rahasyagānena	rahasyagānābhyām	rahasyagānaiḥ
Dative	rahasyagānāya	rahasyagānābhyām	rahasyagānebhyaḥ
Ablative	rahasyagānāt	rahasyagānābhyām	rahasyagānebhyaḥ
Genitive	rahasyagānasya	rahasyagānayoḥ	rahasyagānānām
Locative	rahasyagāne	rahasyagānayoḥ	rahasyagāneṣu

Compound rahasyagāna -

Adverb -rahasyagānam -rahasyagānāt