Declension table of ?viṣṇuloka

Masculine	Singular	Dual	Plural
Nominative	viṣṇulokaḥ	viṣṇulokau	viṣṇulokāḥ
Vocative	viṣṇuloka	viṣṇulokau	viṣṇulokāḥ
Accusative	viṣṇulokam	viṣṇulokau	viṣṇulokān
Instrumental	viṣṇulokena	viṣṇulokābhyām	viṣṇulokaiḥ viṣṇulokebhiḥ
Dative	viṣṇulokāya	viṣṇulokābhyām	viṣṇulokebhyaḥ
Ablative	viṣṇulokāt	viṣṇulokābhyām	viṣṇulokebhyaḥ
Genitive	viṣṇulokasya	viṣṇulokayoḥ	viṣṇulokānām
Locative	viṣṇuloke	viṣṇulokayoḥ	viṣṇulokeṣu

Compound viṣṇuloka -

Adverb -viṣṇulokam -viṣṇulokāt