Declension table of upaskara

Masculine	Singular	Dual	Plural
Nominative	upaskaraḥ	upaskarau	upaskarāḥ
Vocative	upaskara	upaskarau	upaskarāḥ
Accusative	upaskaram	upaskarau	upaskarān
Instrumental	upaskareṇa	upaskarābhyām	upaskaraiḥ upaskarebhiḥ
Dative	upaskarāya	upaskarābhyām	upaskarebhyaḥ
Ablative	upaskarāt	upaskarābhyām	upaskarebhyaḥ
Genitive	upaskarasya	upaskarayoḥ	upaskarāṇām
Locative	upaskare	upaskarayoḥ	upaskareṣu

Compound upaskara -

Adverb -upaskaram -upaskarāt