Upset over her parents arranging a wedding for her, an 18-year-old girl took her life in Sathyamangalam in the late hours of Sunday. Her parents, Shanmugam and Maheswari, daily-wage workers, had arranged a wedding for her with Shanmugam’s brother, Nandakumar, and the two were recently engaged. On Monday, the victim’s mother lodged a complaint with Sathyamangalam police who registered a …