I figured it out. The X and Y coordinates must change
e.Graphics.DrawString("TerminalID" + this.strterminalID,
frmUpdateDetails.txtUpdterminalID.Font, Brushes.Black, 100, 100);
e.Graphics.DrawString("Sim Number:" + this.strSimnr, frmUpdateDetails.txtSimnr.Font, Brushes.Black, 100, 120);