Cant railways run Good Speed SF trian between Bengaluru-Mumbai one via Hubli, Belagavi & one via Bagalkot,Bijapur as lot of North karnatka ppl have relatives in Maharashtra cities like Pune & Mumbai..And also Lot of Business mens go to take material of garments,Textiles or some machineries and other useful things to Mumbai as rates will be bit less their and they can save some money if purchase in bulk.