Declension table of ?niṣkriyātman

Masculine	Singular	Dual	Plural
Nominative	niṣkriyātmā	niṣkriyātmānau	niṣkriyātmānaḥ
Vocative	niṣkriyātman	niṣkriyātmānau	niṣkriyātmānaḥ
Accusative	niṣkriyātmānam	niṣkriyātmānau	niṣkriyātmanaḥ
Instrumental	niṣkriyātmanā	niṣkriyātmabhyām	niṣkriyātmabhiḥ
Dative	niṣkriyātmane	niṣkriyātmabhyām	niṣkriyātmabhyaḥ
Ablative	niṣkriyātmanaḥ	niṣkriyātmabhyām	niṣkriyātmabhyaḥ
Genitive	niṣkriyātmanaḥ	niṣkriyātmanoḥ	niṣkriyātmanām
Locative	niṣkriyātmani	niṣkriyātmanoḥ	niṣkriyātmasu

Compound niṣkriyātma -

Adverb -niṣkriyātmam