Declension table of ?mandasāna

Masculine	Singular	Dual	Plural
Nominative	mandasānaḥ	mandasānau	mandasānāḥ
Vocative	mandasāna	mandasānau	mandasānāḥ
Accusative	mandasānam	mandasānau	mandasānān
Instrumental	mandasānena	mandasānābhyām	mandasānaiḥ mandasānebhiḥ
Dative	mandasānāya	mandasānābhyām	mandasānebhyaḥ
Ablative	mandasānāt	mandasānābhyām	mandasānebhyaḥ
Genitive	mandasānasya	mandasānayoḥ	mandasānānām
Locative	mandasāne	mandasānayoḥ	mandasāneṣu

Compound mandasāna -

Adverb -mandasānam -mandasānāt