| Yesvantpur–Lucknow Superfast Express (via Perambur) | |
| Type: | Superfast Express |
| Operator: | South Western Railway |
| Start: | (YPR) |
| Stops: | 17 |
| End: | (LKO) |
| Distance: | 2591km (1,610miles) |
| Journeytime: | 45 hours 10 mins |
| Frequency: | Weekly |
| Class: | AC 2 tier, AC 3 tier, Sleeper class, General Unreserved |
| Seating: | Yes |
| Sleeping: | Yes |
| Catering: | On-board catering, E-catering |
| Observation: | Large windows |
| Sharing: | Rake sharing with 16565 / 16566 Yesvantpur–Mangalore Central Weekly Express |
| Baggage: | Available |
| Otherfacilities: | Below the seats |
| Trainnumber: | 12539 / 12540 |
| Speed: | 57km/h average including halts. |
The 12539 / 12540 Yesvantpur–Lucknow Superfast Express (via Perambur) is an Superfast Express superfast train belonging to Indian Railways South Western Railway zone that runs between and in India.[1]