12816 can easily run ahead of 22308/12308 in NCR especially as it reaches Tundla well before departure of 22308/12308 from Tundla. But detained 10-15 minutes at Tundla to allow 12308/22308 to depart. Just Interchanging of Slots of 12308/22308 with 12816 in NCR can do the job.
IR should provide slot to trains in such a way that a nonstop train should not be detained due to a train with numerous stoppages running ahead of it. Like UP Howrah Duronto (12273) trails 12303 all the way till NDLS. Despite having only 5 stops
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