Doubling work is going on Delhi - Jaipur Ahmedabad route in various section and railway track on Delhi - ahmedabad track is new compare to railway track of Delhi - Mumbai main line which is 20 to 25 years old .then why railway not make rewari - alwar track fit for 130-140km/hour speed and if this track is fit for this speed then why railway not allow to run electric train on Rewari - Alwar section with 130km/hour speed.