Most free PDFs of Tere Liye's books are scanned copies from physical books. They are often blurry, missing pages, or have crooked text. Janji is a book that requires emotional focus; reading a poorly scanned copy will ruin the experience.
Instead of risking malware from unofficial PDF drives, you can access high-quality, legal versions of Janji through these channels: Download Novel Janji Tere Liye Pdf Google Drive
The official publisher often has sales.