12567/68 राज्यरानी सुपरफास्ट की धाक राजधानी से कम नहीं है। - Prabhat Sharan

It's been 35 yrs of Shatabdi express but runs on many routes with 110kmph and even lesser avg speeds but hasn't stopped even train sets will be the same, the avg speed of train sets will be 5kmph more then the traditional trains running on that sections.

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