Declension table of akartṛ

Masculine	Singular	Dual	Plural
Nominative	akartā	akartārau	akartāraḥ
Vocative	akartaḥ	akartārau	akartāraḥ
Accusative	akartāram	akartārau	akartṝn
Instrumental	akartrā	akartṛbhyām	akartṛbhiḥ
Dative	akartre	akartṛbhyām	akartṛbhyaḥ
Ablative	akartuḥ	akartṛbhyām	akartṛbhyaḥ
Genitive	akartuḥ	akartroḥ	akartṝṇām
Locative	akartari	akartroḥ	akartṛṣu

Compound akartṛ -

Adverb -akartṛ