Declension table of ?paramarahasya

Neuter	Singular	Dual	Plural
Nominative	paramarahasyam	paramarahasye	paramarahasyāni
Vocative	paramarahasya	paramarahasye	paramarahasyāni
Accusative	paramarahasyam	paramarahasye	paramarahasyāni
Instrumental	paramarahasyena	paramarahasyābhyām	paramarahasyaiḥ
Dative	paramarahasyāya	paramarahasyābhyām	paramarahasyebhyaḥ
Ablative	paramarahasyāt	paramarahasyābhyām	paramarahasyebhyaḥ
Genitive	paramarahasyasya	paramarahasyayoḥ	paramarahasyānām
Locative	paramarahasye	paramarahasyayoḥ	paramarahasyeṣu

Compound paramarahasya -

Adverb -paramarahasyam -paramarahasyāt