Declension table of ?yogaratna

Neuter	Singular	Dual	Plural
Nominative	yogaratnam	yogaratne	yogaratnāni
Vocative	yogaratna	yogaratne	yogaratnāni
Accusative	yogaratnam	yogaratne	yogaratnāni
Instrumental	yogaratnena	yogaratnābhyām	yogaratnaiḥ
Dative	yogaratnāya	yogaratnābhyām	yogaratnebhyaḥ
Ablative	yogaratnāt	yogaratnābhyām	yogaratnebhyaḥ
Genitive	yogaratnasya	yogaratnayoḥ	yogaratnānām
Locative	yogaratne	yogaratnayoḥ	yogaratneṣu

Compound yogaratna -

Adverb -yogaratnam -yogaratnāt