Declension table of ?surasthāna

Neuter	Singular	Dual	Plural
Nominative	surasthānam	surasthāne	surasthānāni
Vocative	surasthāna	surasthāne	surasthānāni
Accusative	surasthānam	surasthāne	surasthānāni
Instrumental	surasthānena	surasthānābhyām	surasthānaiḥ
Dative	surasthānāya	surasthānābhyām	surasthānebhyaḥ
Ablative	surasthānāt	surasthānābhyām	surasthānebhyaḥ
Genitive	surasthānasya	surasthānayoḥ	surasthānānām
Locative	surasthāne	surasthānayoḥ	surasthāneṣu

Compound surasthāna -

Adverb -surasthānam -surasthānāt