Declension table of ?kartrya

Neuter	Singular	Dual	Plural
Nominative	kartryam	kartrye	kartryāṇi
Vocative	kartrya	kartrye	kartryāṇi
Accusative	kartryam	kartrye	kartryāṇi
Instrumental	kartryeṇa	kartryābhyām	kartryaiḥ
Dative	kartryāya	kartryābhyām	kartryebhyaḥ
Ablative	kartryāt	kartryābhyām	kartryebhyaḥ
Genitive	kartryasya	kartryayoḥ	kartryāṇām
Locative	kartrye	kartryayoḥ	kartryeṣu

Compound kartrya -

Adverb -kartryam -kartryāt