Declension table of ?jyotiṣkara

Masculine	Singular	Dual	Plural
Nominative	jyotiṣkaraḥ	jyotiṣkarau	jyotiṣkarāḥ
Vocative	jyotiṣkara	jyotiṣkarau	jyotiṣkarāḥ
Accusative	jyotiṣkaram	jyotiṣkarau	jyotiṣkarān
Instrumental	jyotiṣkareṇa	jyotiṣkarābhyām	jyotiṣkaraiḥ jyotiṣkarebhiḥ
Dative	jyotiṣkarāya	jyotiṣkarābhyām	jyotiṣkarebhyaḥ
Ablative	jyotiṣkarāt	jyotiṣkarābhyām	jyotiṣkarebhyaḥ
Genitive	jyotiṣkarasya	jyotiṣkarayoḥ	jyotiṣkarāṇām
Locative	jyotiṣkare	jyotiṣkarayoḥ	jyotiṣkareṣu

Compound jyotiṣkara -

Adverb -jyotiṣkaram -jyotiṣkarāt