Declension table of ?upadarśana

Neuter	Singular	Dual	Plural
Nominative	upadarśanam	upadarśane	upadarśanāni
Vocative	upadarśana	upadarśane	upadarśanāni
Accusative	upadarśanam	upadarśane	upadarśanāni
Instrumental	upadarśanena	upadarśanābhyām	upadarśanaiḥ
Dative	upadarśanāya	upadarśanābhyām	upadarśanebhyaḥ
Ablative	upadarśanāt	upadarśanābhyām	upadarśanebhyaḥ
Genitive	upadarśanasya	upadarśanayoḥ	upadarśanānām
Locative	upadarśane	upadarśanayoḥ	upadarśaneṣu

Compound upadarśana -

Adverb -upadarśanam -upadarśanāt