Expecting these trains to be introduced soon after the opening of POY-PGTN line.
1) Mangalore - Madurai Express (ONT) - Via. SRR, PGT, PGTN, POY, PLNI, DG
2) Ernakulam - Rameswaram Express (ONT) - Via. SRR, PGT, PGTN, POY, PLNI, DG, MDU
3) Day time express between Kannur and Tirunelveli - Via. SRR, PGT, PGTN, POY, PLNI, DG, MDU