Declension table of ?upāttavidya

Neuter	Singular	Dual	Plural
Nominative	upāttavidyam	upāttavidye	upāttavidyāni
Vocative	upāttavidya	upāttavidye	upāttavidyāni
Accusative	upāttavidyam	upāttavidye	upāttavidyāni
Instrumental	upāttavidyena	upāttavidyābhyām	upāttavidyaiḥ
Dative	upāttavidyāya	upāttavidyābhyām	upāttavidyebhyaḥ
Ablative	upāttavidyāt	upāttavidyābhyām	upāttavidyebhyaḥ
Genitive	upāttavidyasya	upāttavidyayoḥ	upāttavidyānām
Locative	upāttavidye	upāttavidyayoḥ	upāttavidyeṣu

Compound upāttavidya -

Adverb -upāttavidyam -upāttavidyāt