Declension table of ?iṣṭadeva

Masculine	Singular	Dual	Plural
Nominative	iṣṭadevaḥ	iṣṭadevau	iṣṭadevāḥ
Vocative	iṣṭadeva	iṣṭadevau	iṣṭadevāḥ
Accusative	iṣṭadevam	iṣṭadevau	iṣṭadevān
Instrumental	iṣṭadevena	iṣṭadevābhyām	iṣṭadevaiḥ iṣṭadevebhiḥ
Dative	iṣṭadevāya	iṣṭadevābhyām	iṣṭadevebhyaḥ
Ablative	iṣṭadevāt	iṣṭadevābhyām	iṣṭadevebhyaḥ
Genitive	iṣṭadevasya	iṣṭadevayoḥ	iṣṭadevānām
Locative	iṣṭadeve	iṣṭadevayoḥ	iṣṭadeveṣu

Compound iṣṭadeva -

Adverb -iṣṭadevam -iṣṭadevāt