Declension table of ?dūtatva

Neuter	Singular	Dual	Plural
Nominative	dūtatvam	dūtatve	dūtatvāni
Vocative	dūtatva	dūtatve	dūtatvāni
Accusative	dūtatvam	dūtatve	dūtatvāni
Instrumental	dūtatvena	dūtatvābhyām	dūtatvaiḥ
Dative	dūtatvāya	dūtatvābhyām	dūtatvebhyaḥ
Ablative	dūtatvāt	dūtatvābhyām	dūtatvebhyaḥ
Genitive	dūtatvasya	dūtatvayoḥ	dūtatvānām
Locative	dūtatve	dūtatvayoḥ	dūtatveṣu

Compound dūtatva -

Adverb -dūtatvam -dūtatvāt