Declension table of ?pramāṇapattra

Neuter	Singular	Dual	Plural
Nominative	pramāṇapattram	pramāṇapattre	pramāṇapattrāṇi
Vocative	pramāṇapattra	pramāṇapattre	pramāṇapattrāṇi
Accusative	pramāṇapattram	pramāṇapattre	pramāṇapattrāṇi
Instrumental	pramāṇapattreṇa	pramāṇapattrābhyām	pramāṇapattraiḥ
Dative	pramāṇapattrāya	pramāṇapattrābhyām	pramāṇapattrebhyaḥ
Ablative	pramāṇapattrāt	pramāṇapattrābhyām	pramāṇapattrebhyaḥ
Genitive	pramāṇapattrasya	pramāṇapattrayoḥ	pramāṇapattrāṇām
Locative	pramāṇapattre	pramāṇapattrayoḥ	pramāṇapattreṣu

Compound pramāṇapattra -

Adverb -pramāṇapattram -pramāṇapattrāt