Already pilots are trained with WAG 9.....WAG 9 entrd madurai at mid april itself.....As of now there is loco sharing with some express WAP 7 are not widely used.....Totally 8 trains has loco change in madurai .....In which 2 wap4 has lsa with GUV-MS EXPRESS AND MADURAI-DG PASS.......And ananthapuri WAP 4 is shared with vaigai express...........As ananthapuri cannot be given WAP 7...Once MDU-TEN Electrified wecan expect WAP 7 ................