Declension table of ?karmasthāna

Neuter	Singular	Dual	Plural
Nominative	karmasthānam	karmasthāne	karmasthānāni
Vocative	karmasthāna	karmasthāne	karmasthānāni
Accusative	karmasthānam	karmasthāne	karmasthānāni
Instrumental	karmasthānena	karmasthānābhyām	karmasthānaiḥ
Dative	karmasthānāya	karmasthānābhyām	karmasthānebhyaḥ
Ablative	karmasthānāt	karmasthānābhyām	karmasthānebhyaḥ
Genitive	karmasthānasya	karmasthānayoḥ	karmasthānānām
Locative	karmasthāne	karmasthānayoḥ	karmasthāneṣu

Compound karmasthāna -

Adverb -karmasthānam -karmasthānāt