usul hadith works by sunni (barelwi) ulama

actually, most of the urdu commentaries start with the usul hadith/terminology section. but there are separate works as well.

mufti aslam raza has a bilingual work "tahsin al-wusul" in arabic and urdu, whcih was translated into english by a young UK scholar mawlana saiyed ali. highly recommended for beginners: https://archive.org/details/tahsin-al-wusul


mawlana siddiq hazarwi translated an arabic word - in about 300 pages:

 

Have any of the Barelvi Ulema written regarding Usool Al-Hadith? Even if they're in Urdu