Declension table of ?karśana

Masculine	Singular	Dual	Plural
Nominative	karśanaḥ	karśanau	karśanāḥ
Vocative	karśana	karśanau	karśanāḥ
Accusative	karśanam	karśanau	karśanān
Instrumental	karśanena	karśanābhyām	karśanaiḥ karśanebhiḥ
Dative	karśanāya	karśanābhyām	karśanebhyaḥ
Ablative	karśanāt	karśanābhyām	karśanebhyaḥ
Genitive	karśanasya	karśanayoḥ	karśanānām
Locative	karśane	karśanayoḥ	karśaneṣu

Compound karśana -

Adverb -karśanam -karśanāt