Declension table of ?kartrya

Masculine	Singular	Dual	Plural
Nominative	kartryaḥ	kartryau	kartryāḥ
Vocative	kartrya	kartryau	kartryāḥ
Accusative	kartryam	kartryau	kartryān
Instrumental	kartryeṇa	kartryābhyām	kartryaiḥ kartryebhiḥ
Dative	kartryāya	kartryābhyām	kartryebhyaḥ
Ablative	kartryāt	kartryābhyām	kartryebhyaḥ
Genitive	kartryasya	kartryayoḥ	kartryāṇām
Locative	kartrye	kartryayoḥ	kartryeṣu

Compound kartrya -

Adverb -kartryam -kartryāt