SWR has lost 2 important and good trains to Mumbai viz, coimbatore and Puducherry...
Now Coimbatore Kurla is already 50 percent full before train enters SBC
AND
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more...
Chalukya is almost full with passengers bound to Dvg, UBL, MRJ , PUNE right from there origin.
Now only sufferer is Bangaloreans. They firstly need a dedicated super fast connectivity as all 3 daily trains are too slow to connect 2 big metro cities..
A super fast train has to be planned such that it departs SBC around 2 pm and reach Mumbai around 7 am next morning. Very much possible also