Declension table of ?udakaparvata

Masculine	Singular	Dual	Plural
Nominative	udakaparvataḥ	udakaparvatau	udakaparvatāḥ
Vocative	udakaparvata	udakaparvatau	udakaparvatāḥ
Accusative	udakaparvatam	udakaparvatau	udakaparvatān
Instrumental	udakaparvatena	udakaparvatābhyām	udakaparvataiḥ udakaparvatebhiḥ
Dative	udakaparvatāya	udakaparvatābhyām	udakaparvatebhyaḥ
Ablative	udakaparvatāt	udakaparvatābhyām	udakaparvatebhyaḥ
Genitive	udakaparvatasya	udakaparvatayoḥ	udakaparvatānām
Locative	udakaparvate	udakaparvatayoḥ	udakaparvateṣu

Compound udakaparvata -

Adverb -udakaparvatam -udakaparvatāt