Declension table of ?drummitavya

Masculine	Singular	Dual	Plural
Nominative	drummitavyaḥ	drummitavyau	drummitavyāḥ
Vocative	drummitavya	drummitavyau	drummitavyāḥ
Accusative	drummitavyam	drummitavyau	drummitavyān
Instrumental	drummitavyena	drummitavyābhyām	drummitavyaiḥ drummitavyebhiḥ
Dative	drummitavyāya	drummitavyābhyām	drummitavyebhyaḥ
Ablative	drummitavyāt	drummitavyābhyām	drummitavyebhyaḥ
Genitive	drummitavyasya	drummitavyayoḥ	drummitavyānām
Locative	drummitavye	drummitavyayoḥ	drummitavyeṣu

Compound drummitavya -

Adverb -drummitavyam -drummitavyāt