The notification says.
TRAINS DIVERTED:
Train No.12510 Guwahati – Bangalore and Train No.22601 Chennai Central – Sainagar Shirdi Express will be diverted via. Renigunta and Pakala.
Train No.22619 Bilaspur – Tirunelveli and Train No.12245 Howrah –Yeswantpur Duronto Express will be diverted via.Katpadi.
Train...
more... No.12507 Ernakulam – Guwahati Expresswill be diverted via.Katpadi.
I think they meant TPTY - KPD.