Declension table of ?vajrasthāna

Neuter	Singular	Dual	Plural
Nominative	vajrasthānam	vajrasthāne	vajrasthānāni
Vocative	vajrasthāna	vajrasthāne	vajrasthānāni
Accusative	vajrasthānam	vajrasthāne	vajrasthānāni
Instrumental	vajrasthānena	vajrasthānābhyām	vajrasthānaiḥ
Dative	vajrasthānāya	vajrasthānābhyām	vajrasthānebhyaḥ
Ablative	vajrasthānāt	vajrasthānābhyām	vajrasthānebhyaḥ
Genitive	vajrasthānasya	vajrasthānayoḥ	vajrasthānānām
Locative	vajrasthāne	vajrasthānayoḥ	vajrasthāneṣu

Compound vajrasthāna -

Adverb -vajrasthānam -vajrasthānāt