Declension table of ?upamādravya

Neuter	Singular	Dual	Plural
Nominative	upamādravyam	upamādravye	upamādravyāṇi
Vocative	upamādravya	upamādravye	upamādravyāṇi
Accusative	upamādravyam	upamādravye	upamādravyāṇi
Instrumental	upamādravyeṇa	upamādravyābhyām	upamādravyaiḥ
Dative	upamādravyāya	upamādravyābhyām	upamādravyebhyaḥ
Ablative	upamādravyāt	upamādravyābhyām	upamādravyebhyaḥ
Genitive	upamādravyasya	upamādravyayoḥ	upamādravyāṇām
Locative	upamādravye	upamādravyayoḥ	upamādravyeṣu

Compound upamādravya -

Adverb -upamādravyam -upamādravyāt