For the Registration of complaint, kindly use Pakistan Citizen Portal mobile application or the official website.
The web links are as under:-
Website : https://citizenportal.gov.pk/
For Andriod App : https://play.google.com/store/apps/details?id=com.govpk.citizensportal&hl=en&gl=US&pli=1
For iphone app : https://apps.apple.com/us/app/pakistan-citizens-portal/id1439885831