Declension table of ?kṛtatva

Neuter	Singular	Dual	Plural
Nominative	kṛtatvam	kṛtatve	kṛtatvāni
Vocative	kṛtatva	kṛtatve	kṛtatvāni
Accusative	kṛtatvam	kṛtatve	kṛtatvāni
Instrumental	kṛtatvena	kṛtatvābhyām	kṛtatvaiḥ
Dative	kṛtatvāya	kṛtatvābhyām	kṛtatvebhyaḥ
Ablative	kṛtatvāt	kṛtatvābhyām	kṛtatvebhyaḥ
Genitive	kṛtatvasya	kṛtatvayoḥ	kṛtatvānām
Locative	kṛtatve	kṛtatvayoḥ	kṛtatveṣu

Compound kṛtatva -

Adverb -kṛtatvam -kṛtatvāt