Declension table of ?niṣkārya

Neuter	Singular	Dual	Plural
Nominative	niṣkāryam	niṣkārye	niṣkāryāṇi
Vocative	niṣkārya	niṣkārye	niṣkāryāṇi
Accusative	niṣkāryam	niṣkārye	niṣkāryāṇi
Instrumental	niṣkāryeṇa	niṣkāryābhyām	niṣkāryaiḥ
Dative	niṣkāryāya	niṣkāryābhyām	niṣkāryebhyaḥ
Ablative	niṣkāryāt	niṣkāryābhyām	niṣkāryebhyaḥ
Genitive	niṣkāryasya	niṣkāryayoḥ	niṣkāryāṇām
Locative	niṣkārye	niṣkāryayoḥ	niṣkāryeṣu

Compound niṣkārya -

Adverb -niṣkāryam -niṣkāryāt