* Most probably the discount may be 0-15% i.e. it may cost about 2.5-3 times SL.
* IR is working on the plan to operate trains at 160kmph on Delhi-Mumbai, Delhi-Howrah routes after completion of the ongoing Western & Eastern DFC projects. These shall be fully ac trains.
* I would like to see all the express trains operating at 160kmph on these routes with the SL coaches being replaced by ACIII economy coaches.
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more... But for that to happen, fare of ACIII coaches should be 1.5-2 times the SL fare just like buses. With a very high avg speed of of these trains (80-100 kmph), people may be ready to pay extra for time saved as well as for comfort of the new ACIII-E coaches.