Declension table of ?drāvya

Neuter	Singular	Dual	Plural
Nominative	drāvyam	drāvye	drāvyāṇi
Vocative	drāvya	drāvye	drāvyāṇi
Accusative	drāvyam	drāvye	drāvyāṇi
Instrumental	drāvyeṇa	drāvyābhyām	drāvyaiḥ
Dative	drāvyāya	drāvyābhyām	drāvyebhyaḥ
Ablative	drāvyāt	drāvyābhyām	drāvyebhyaḥ
Genitive	drāvyasya	drāvyayoḥ	drāvyāṇām
Locative	drāvye	drāvyayoḥ	drāvyeṣu

Compound drāvya -

Adverb -drāvyam -drāvyāt