This is your best bet. The non-profit Internet Archive hosts several Pakistani dramas that are considered abandonware (orphaned works). Search for directly. You may find a .mkv file titled "achanak_ep1_ptv_rip.mkv" – this is likely the file from a 2002-era CD-R rip.

The first episode of "Achanak 37 Saal Baad" introduces the main character, Guddi (played by a talented actress), who is now a grown woman. The story begins with Guddi's life 37 years ago, when she witnessed a brutal murder. The traumatic event leaves an indelible mark on her psyche, and she struggles to cope with its aftermath.