Many trains have potential andi....
Falcon 12704 ki 10-15 min TT decrease cheste 60 touch avtadi avg 12703 kooda april nunchi 30min decrease so same applies
Simhapuri 12709 is always BT at Secunderabad so a mere 10-15 min would help the train achieve a 60kmph avg
And even Charminar,with schedule on par with Godavari in SC-BZA,can do miracles with a 60kmph avg....