Declension table of ?pramāṇasūtra

Neuter	Singular	Dual	Plural
Nominative	pramāṇasūtram	pramāṇasūtre	pramāṇasūtrāṇi
Vocative	pramāṇasūtra	pramāṇasūtre	pramāṇasūtrāṇi
Accusative	pramāṇasūtram	pramāṇasūtre	pramāṇasūtrāṇi
Instrumental	pramāṇasūtreṇa	pramāṇasūtrābhyām	pramāṇasūtraiḥ
Dative	pramāṇasūtrāya	pramāṇasūtrābhyām	pramāṇasūtrebhyaḥ
Ablative	pramāṇasūtrāt	pramāṇasūtrābhyām	pramāṇasūtrebhyaḥ
Genitive	pramāṇasūtrasya	pramāṇasūtrayoḥ	pramāṇasūtrāṇām
Locative	pramāṇasūtre	pramāṇasūtrayoḥ	pramāṇasūtreṣu

Compound pramāṇasūtra -

Adverb -pramāṇasūtram -pramāṇasūtrāt