Yes Nitish Sir . MPS on Madhupur - Patna - Mughalsarai Route is 110 Kmph but MPS on Dhanbad - Gaya - Mughalsarai Route is 140 Kmph (Although all Rajdhanis , Durontos and other SF AC Trains are allowed a Max Speed of 130 Kmph due to Saftey Restrictions) . Thanks for asking :)