All 3 Mumbai Chennai trains are of CR. LTT MDU is a CR train. Triweekly TEN/ PDY TO Dadar is CR train. Let SR introduce good trains instead of spoiling established CR trains.
SR can run
1. tri weekly RMM LTT via Karaikudi, Trichy, VM KPD RU GTL SUR.
2. Tri weekly KIK LTT via TPJ SA KJM GTL SUR...
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3. Tri weekly KIK LTT via MV VM KPD KJM GTL SUR
4. Tri weekly RMM LTT Via MDU SA KJM GTL SUR
5. Tri weekly TEN BRC via MDU TPJ TJ MV VM KPD RU GTL SUR
6. Bi weekly TEN BRC via MDU POY CBE SA HSRA BAW ASK DVG UBL MRJ PUNE
7. Bi-weekly TN ADI via MDU SA KJM GTL GDG BJP SUR PUNE ST BRC