On the third day she found it—hosted on a familiar educational portal, direct download, clear filename: "XAM_Idea_Class11_Chemistry_Term1.pdf". The file size was reasonable, the preview matched what she expected: neatly arranged chapters, margin notes, and practice papers labeled "Solved" and "Unsolved." Riya clicked. Her browser counted down the seconds with the measured rhythm of someone watching a tiny lifeline arrive.