For downloading tejas express, here is the link-
https://drive.google.com/file/d/1h23...w?usp=drivesdk
For Gatimaan express-
https://drive.google.com/file/d/1zQE...w?usp=drivesdk
For shatabdi express-
https://drive.google.com/file/d/19Zh...w?usp=drivesdk
Antoyodaya express-https://drive.google.com/file/d/1DsJaGQC4yZ51ec96TXaz16NvAuYdKvU1/view?usp=drivesdk