Declension table of pramāṇaka

Masculine	Singular	Dual	Plural
Nominative	pramāṇakaḥ	pramāṇakau	pramāṇakāḥ
Vocative	pramāṇaka	pramāṇakau	pramāṇakāḥ
Accusative	pramāṇakam	pramāṇakau	pramāṇakān
Instrumental	pramāṇakena	pramāṇakābhyām	pramāṇakaiḥ pramāṇakebhiḥ
Dative	pramāṇakāya	pramāṇakābhyām	pramāṇakebhyaḥ
Ablative	pramāṇakāt	pramāṇakābhyām	pramāṇakebhyaḥ
Genitive	pramāṇakasya	pramāṇakayoḥ	pramāṇakānām
Locative	pramāṇake	pramāṇakayoḥ	pramāṇakeṣu

Compound pramāṇaka -

Adverb -pramāṇakam -pramāṇakāt