Runs from: Pt. DD Upadhyaya Junction (DDU) to Surat (ST)
| Halt # | Station Name (Code) | Arrival | Departure | Halt Time | Distance | Day |
|---|---|---|---|---|---|---|
| 1 | Pt. DD Upadhyaya Junction DDU | Source | 08:22 | - | 0 km | 1 |
| 2 | Patna Junction PNBE | 08:59 | 11:44 | 10 mins | 169 km | 1 |
| 3 | Howrah Junction HWH | 11:26 | 14:20 | 12 mins | 398 km | 1 |
| 4 | Borivali BVI | 14:40 | 15:09 | 15 mins | 585 km | 1 |
| 5 | Kanpur Central CNB | 15:27 | 18:22 | 9 mins | 827 km | 1 |
| 6 | Warangal WL | 18:39 | 19:06 | 2 mins | 923 km | 1 |
| 7 | Nagpur Junction NGP | 19:36 | 21:34 | 9 mins | 1087 km | 1 |
| 8 | Surat ST | 21:29 | 22:27 | 13 mins | 1325 km | 1 |
Train 07664, named the Howrah - Dehradun Mail Superfast Express, is a premium Superfast Express operated by Indian Railways. It connects the key terminal stations of Pt. DD Upadhyaya Junction (DDU) and Surat (ST), covering a total distance of 1325 km during its journey.
This train runs on Mon, Tue, Wed, Thu, Fri, Sat, Sun. It features comfortable seating and sleeping options across multiple travel classes including 2A, 3A, SL, 2S. With a total of 8 scheduled stops along the route, passengers can check accurate station arrival/departure times, exact halt durations, and distance markers in the timetable above to plan their journeys efficiently.