Declension table of ratnadvīpa

Masculine	Singular	Dual	Plural
Nominative	ratnadvīpaḥ	ratnadvīpau	ratnadvīpāḥ
Vocative	ratnadvīpa	ratnadvīpau	ratnadvīpāḥ
Accusative	ratnadvīpam	ratnadvīpau	ratnadvīpān
Instrumental	ratnadvīpena	ratnadvīpābhyām	ratnadvīpaiḥ ratnadvīpebhiḥ
Dative	ratnadvīpāya	ratnadvīpābhyām	ratnadvīpebhyaḥ
Ablative	ratnadvīpāt	ratnadvīpābhyām	ratnadvīpebhyaḥ
Genitive	ratnadvīpasya	ratnadvīpayoḥ	ratnadvīpānām
Locative	ratnadvīpe	ratnadvīpayoḥ	ratnadvīpeṣu

Compound ratnadvīpa -

Adverb -ratnadvīpam -ratnadvīpāt