Declension table of ?upekṣaka

Neuter	Singular	Dual	Plural
Nominative	upekṣakam	upekṣake	upekṣakāṇi
Vocative	upekṣaka	upekṣake	upekṣakāṇi
Accusative	upekṣakam	upekṣake	upekṣakāṇi
Instrumental	upekṣakeṇa	upekṣakābhyām	upekṣakaiḥ
Dative	upekṣakāya	upekṣakābhyām	upekṣakebhyaḥ
Ablative	upekṣakāt	upekṣakābhyām	upekṣakebhyaḥ
Genitive	upekṣakasya	upekṣakayoḥ	upekṣakāṇām
Locative	upekṣake	upekṣakayoḥ	upekṣakeṣu

Compound upekṣaka -

Adverb -upekṣakam -upekṣakāt