If you have lost your original result card, the gazette provides the verified data needed to apply for a duplicate.
Many boards, such as BISE Faisalabad , provide a dedicated "Old Result" portal where you can enter your roll number and year to retrieve verified data.
Look for the "Gazette" or "Archive" tab. The board maintains records for several years to assist alumni.
You can visit the BISE Lahore office in person to request a verified copy of your 2017 result for a nominal fee. Key Stats for Context
Employers or universities may require a gazette copy to verify the authenticity of a degree.