Declension table of ?brahmāṇīmantra

Masculine	Singular	Dual	Plural
Nominative	brahmāṇīmantraḥ	brahmāṇīmantrau	brahmāṇīmantrāḥ
Vocative	brahmāṇīmantra	brahmāṇīmantrau	brahmāṇīmantrāḥ
Accusative	brahmāṇīmantram	brahmāṇīmantrau	brahmāṇīmantrān
Instrumental	brahmāṇīmantreṇa	brahmāṇīmantrābhyām	brahmāṇīmantraiḥ brahmāṇīmantrebhiḥ
Dative	brahmāṇīmantrāya	brahmāṇīmantrābhyām	brahmāṇīmantrebhyaḥ
Ablative	brahmāṇīmantrāt	brahmāṇīmantrābhyām	brahmāṇīmantrebhyaḥ
Genitive	brahmāṇīmantrasya	brahmāṇīmantrayoḥ	brahmāṇīmantrāṇām
Locative	brahmāṇīmantre	brahmāṇīmantrayoḥ	brahmāṇīmantreṣu

Compound brahmāṇīmantra -

Adverb -brahmāṇīmantram -brahmāṇīmantrāt