Despite the Chennai - Pune stretch now turning into an FEDL trunk route, there is no significant increase in the average speed of train running between the two metropolitans with the fastest one just clocking an average of 58km/h. Any inputs from experts in this regard? Also, no premium trains introduced between the metros yet which could attract the passengers ( just one weekly Humsafar (which is no more a premium train). Bengaluru is also missing such a attractive connectivity with Mumbai despite so much advent in technology.