Declension table of ?samayarahasya

Neuter	Singular	Dual	Plural
Nominative	samayarahasyam	samayarahasye	samayarahasyāni
Vocative	samayarahasya	samayarahasye	samayarahasyāni
Accusative	samayarahasyam	samayarahasye	samayarahasyāni
Instrumental	samayarahasyena	samayarahasyābhyām	samayarahasyaiḥ
Dative	samayarahasyāya	samayarahasyābhyām	samayarahasyebhyaḥ
Ablative	samayarahasyāt	samayarahasyābhyām	samayarahasyebhyaḥ
Genitive	samayarahasyasya	samayarahasyayoḥ	samayarahasyānām
Locative	samayarahasye	samayarahasyayoḥ	samayarahasyeṣu

Compound samayarahasya -

Adverb -samayarahasyam -samayarahasyāt