Visit the official website of the Federal Public Service Commission (FPSC) at www.fpsc.gov.pk.

Look for the "Candidates' Portal" or "Online Admission Certificate" section on the website. This is where you can access your roll number slip.

Click on the relevant link to access the Candidates' Portal or Online Admission Certificate.

You will be asked to enter your CNIC (Computerized National Identity Card) number or the tracking ID provided at the time of application submission. Provide the required information accurately.

After entering the information, click on the "Submit" or "Generate" button.

If the information provided is correct, the website will generate your roll number slip. You will be able to view and download it in PDF format.

Save the roll number slip on your device and take a printout of it.