It will arrive RMM at 1340 will have RSA with some other train probably Chennai as both trains are daily trains. In coming train to RMM will leave at 1300 hrs to TVC and PM will be done at Trivandrum. They require 4 rakes present 2 rakes of Amritha exp and 2 rakes of RmM bound daily train and additional dont require additional rake or 3rd rake after extention.