HI Kindly Start a SF Train Between Coimbatore to Mumbai VIA KR.. CBE-PGT-OTP-SRR-CLT-CAN-MANJ-MAO-KNKL-RTG-PNVL-THN-DR.. It Will Save Time...Will have Direct Connectivity between CBE To GOA, MANJ,PNVL.. It will also give convinient to people living in Navi Mumbai... It will have good Crowd as it covers northern kerala and Konkan as well