| Overview | |
|---|---|
| Service type | Express |
| Locale | Kerala & Tamil Nadu |
| First service | 20 April 2017 (initial service between Palakkad Jn and Punalur) 9 July 2018 (extended to Tirunelveli Junction) 15 August 2024 (extended to Tuticorin). |
| Current operator | Southern Railway |
| Route | |
| Termini | Tuticorin (TN) Palakkad Junction (PGT) |
| Stops | 40 |
| Distance travelled | 537 km (334 mi) |
| Average journey time | 14 hrs |
| Service frequency | Daily |
| Train number | 16791 / 16792 |
| On-board services | |
| Classes | Sleeper Class, General Unreserved, 3AC Class |
| Seating arrangements | Yes |
| Sleeping arrangements | Yes |
| Catering facilities | No |
| Observation facilities | Large windows |
| Baggage facilities | No |
| Other facilities | Below the seats |
| Technical | |
| Rolling stock | LHB coach |
| Track gauge | 5 ft 6 in (1,676 mm) Broad Gauge |
| Operating speed | 35 km/h (22 mph) average including halts. |
| Rake maintenance | Tuticorin CDO |
The 16791 / 16792 Palaruvi Express is an Intercity express train which runs between Tuticorin in Tamil Nadu and Palakkad Junction in Kerala. The train first introduced between Punalur in Kollam and Palakkad. On 9 July 2018, it was extended up to Tirunelveli Junction and later on 15 August 2024 it was extended till Tuticorin. It is named after the Palaruvi Falls.
The train was introduced on 19 April 2017, providing better connectivity to the Eastern Kollam region with Central Kerala and as a relief for daily commuters, especially office-goers who have been relying on Venad Express.
On 29 May 2022 it became the first train to pass through the doubled track between Ettumanoor-Kottayam-Chingavanam section which made the Thiruvananthapuram-Kottayam-Ernakulam-Mangaluru section completely doubled electrified line.
On 2024 July 28, the Palaruvi Express from Tirunelveli to Palakkad was the first electric train that passed through the recently electrified Sengottai - Kollam railway line.
The service runs from Tuticorin(16791) every night and reaches Palakkad Junction the following afternoon. Prominent stoppages include Tirunelveli Junction, Tenkasi Junction, Punalur,Kundara, Kollam Junction , Kayamkulam Junction, Tiruvalla, Kottayam, Ernakulam Town and Thrissur. On the return journey, the train leaves every evening, traverses the same route and reaches Tuticorin, next morning.
The train reverses its direction at Kollam.
The train has eighteen coaches comprising five sleeper coaches, eleven unreserved general coaches and two luggage rakes.
| Loco | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SLR | GEN | GEN | GEN | GEN | GEN | S1 | S2 | S4 | S5 | GEN | GEN | GEN | GEN | GEN | GEN | SLR | ||
Since its introduction in April 2017, the train was running without even a single reservation compartment till September 2019. The train started 4 reservation sleeper compartments.



