Declension table of ?pramāṇaśāstra

Neuter	Singular	Dual	Plural
Nominative	pramāṇaśāstram	pramāṇaśāstre	pramāṇaśāstrāṇi
Vocative	pramāṇaśāstra	pramāṇaśāstre	pramāṇaśāstrāṇi
Accusative	pramāṇaśāstram	pramāṇaśāstre	pramāṇaśāstrāṇi
Instrumental	pramāṇaśāstreṇa	pramāṇaśāstrābhyām	pramāṇaśāstraiḥ
Dative	pramāṇaśāstrāya	pramāṇaśāstrābhyām	pramāṇaśāstrebhyaḥ
Ablative	pramāṇaśāstrāt	pramāṇaśāstrābhyām	pramāṇaśāstrebhyaḥ
Genitive	pramāṇaśāstrasya	pramāṇaśāstrayoḥ	pramāṇaśāstrāṇām
Locative	pramāṇaśāstre	pramāṇaśāstrayoḥ	pramāṇaśāstreṣu

Compound pramāṇaśāstra -

Adverb -pramāṇaśāstram -pramāṇaśāstrāt