Declension table of ?udasana

Neuter	Singular	Dual	Plural
Nominative	udasanam	udasane	udasanāni
Vocative	udasana	udasane	udasanāni
Accusative	udasanam	udasane	udasanāni
Instrumental	udasanena	udasanābhyām	udasanaiḥ
Dative	udasanāya	udasanābhyām	udasanebhyaḥ
Ablative	udasanāt	udasanābhyām	udasanebhyaḥ
Genitive	udasanasya	udasanayoḥ	udasanānām
Locative	udasane	udasanayoḥ	udasaneṣu

Compound udasana -

Adverb -udasanam -udasanāt