Declension table of ?paramāsana

Masculine	Singular	Dual	Plural
Nominative	paramāsanaḥ	paramāsanau	paramāsanāḥ
Vocative	paramāsana	paramāsanau	paramāsanāḥ
Accusative	paramāsanam	paramāsanau	paramāsanān
Instrumental	paramāsanena	paramāsanābhyām	paramāsanaiḥ paramāsanebhiḥ
Dative	paramāsanāya	paramāsanābhyām	paramāsanebhyaḥ
Ablative	paramāsanāt	paramāsanābhyām	paramāsanebhyaḥ
Genitive	paramāsanasya	paramāsanayoḥ	paramāsanānām
Locative	paramāsane	paramāsanayoḥ	paramāsaneṣu

Compound paramāsana -

Adverb -paramāsanam -paramāsanāt