Its a 4 Train RSA. All services operated by 5 rakes. Trains are:
12643/44-16323/24-16325/26-16327/28.
This is how it works -
16327 reaches TVC on Monday.This rakes goes as 12643 on Tuesday.
16324 reaches TVC...
more... on Tuesday. This rake is used to run 16328 of Thursday.
16325 reaches TVC on Wednesday. This rake is used to run 16323 on Thursday.
16324 reaches TVC on Thursday. This rake is used to run 16326 on Saturday.
16327 reaches TVC on Friday. This rake is used to run 16323 on Saturday.
12644 reaches TVC on Sunday. This rake is used to run 16328 on Monday.