Declension table of ?indraka

Neuter	Singular	Dual	Plural
Nominative	indrakam	indrake	indrakāṇi
Vocative	indraka	indrake	indrakāṇi
Accusative	indrakam	indrake	indrakāṇi
Instrumental	indrakeṇa	indrakābhyām	indrakaiḥ
Dative	indrakāya	indrakābhyām	indrakebhyaḥ
Ablative	indrakāt	indrakābhyām	indrakebhyaḥ
Genitive	indrakasya	indrakayoḥ	indrakāṇām
Locative	indrake	indrakayoḥ	indrakeṣu

Compound indraka -

Adverb -indrakam -indrakāt