AoA,
Apparently getting such an information will not be easy task for anybody, however, you can find list of current as well as past assembly members from websites of respective Provincial Assemblies;
- Provincial Assembly of Sindh
Welcome to the Website of Provincial Assembly of Sindh
- Provincial Assembly of Punjab
Welcome to Provincial Assembly of Punjab
- Provincial Assembly of Balochistan
Welcome to the Website of Provincial Assembly of Balochistan
- Provincial Assembly of KPK
Welcome to the Website of Provincial Assembly of Khyber Pakhtunkhawa