TC reported part of his train wiper fellonto the tracks around +9 TDM. Visibility was not affected. Rear T246(3116) line clear but couldn't find any wiper arou nd the location. Train was reformed with T433 and withdrawn ~~~~~ 3605 Wiper blade disloged.     #3605-A/S wiper found dislodged.Wiper blade still intact.Reinstall the wiper and security check ok.Function check ok. Done by Saini. 30/01/23