When TN-MYS Exp was with SR it had RSA with Pearl City Express.
Now Pearl City Express having RSA with Kaniyakumari SF.
As per the document 16021/22 Kaveri Express seems to be in RSA with Pearl City with PM Maintenance at MAS.
Malgudi Exp seems to be SR train.
RSA...
more... Order
16021 - Kaveri Express
16023 - MYS - SBC
16024 - SBC - MYS
16022 - MYS - MAS
12693 - MS - TN
12694 - TN - MS
Then Repeat.
But MAS - MS seems to be question.
Also 12633/34 RSA with 12693/94. Dont know why they are going with new one. Thanks