Declension table of ?indramantrin

Masculine	Singular	Dual	Plural
Nominative	indramantrī	indramantriṇau	indramantriṇaḥ
Vocative	indramantrin	indramantriṇau	indramantriṇaḥ
Accusative	indramantriṇam	indramantriṇau	indramantriṇaḥ
Instrumental	indramantriṇā	indramantribhyām	indramantribhiḥ
Dative	indramantriṇe	indramantribhyām	indramantribhyaḥ
Ablative	indramantriṇaḥ	indramantribhyām	indramantribhyaḥ
Genitive	indramantriṇaḥ	indramantriṇoḥ	indramantriṇām
Locative	indramantriṇi	indramantriṇoḥ	indramantriṣu

Compound indramantri -

Adverb -indramantri