Declension table of kartṛka

Masculine	Singular	Dual	Plural
Nominative	kartṛkaḥ	kartṛkau	kartṛkāḥ
Vocative	kartṛka	kartṛkau	kartṛkāḥ
Accusative	kartṛkam	kartṛkau	kartṛkān
Instrumental	kartṛkeṇa	kartṛkābhyām	kartṛkaiḥ kartṛkebhiḥ
Dative	kartṛkāya	kartṛkābhyām	kartṛkebhyaḥ
Ablative	kartṛkāt	kartṛkābhyām	kartṛkebhyaḥ
Genitive	kartṛkasya	kartṛkayoḥ	kartṛkāṇām
Locative	kartṛke	kartṛkayoḥ	kartṛkeṣu

Compound kartṛka -

Adverb -kartṛkam -kartṛkāt