| Ananthapuri Superfast Express | |
| Locale: | Kerala & Tamil Nadu |
| Operator: | Southern Railway |
| Start: | (MS) |
| Stops: | 26 Halts |
| End: | (QLN) |
| Distance: | 858km (533miles) |
| Journeytime: | 15 hours 30 minutes |
| Frequency: | Daily |
| Class: | AC first, AC 2 tier, AC 3 tier, Sleeper class, General Unreserved |
| Seating: | Yes |
| Sleeping: | Yes |
| Catering: | On-Board Catering, E-Catering |
| Observation: | Large windows |
| Baggage: | Available |
| Otherfacilities: | Below the seats |
| Gauge: | broad gauge |
| Trainnumber: | 20635 / 20636 |
| Speed: | average including halts. |
| Maintenance: | Tiruchchirappalli Junction CDO |
| Sharing: | 16965/16866 Uzhavan Express. |
The 20635 / 20636 Ananthapuri Superfast Express is an superfast express train running between and via, Tirunelveli Junction, Virudhunagar junction, Madurai Junction, Tiruchchirappalli Junction and Villupuram Junction through the trunk line and chord lines in southern India. It is a daily overnight Superfast Express service.
The inauguration of this train was on 30 June 2002[1] operating six days a week. Later in 2005 it was made daily train. In the beginning it ran between and . It was named Ananthapuri after the city Thiruvananthapuram. In 2017 railway budget, it was extended[2] to Kollam with effect from 1 November 2017.[3] [4]
| 20635 - Chennai Egmore → Kollam ~ Ananthapuri Superfast Express | |||||
|---|---|---|---|---|---|
| Station/Junction Name | Station Code | Arrival | Departure | Day | |
| Chennai Egmore | MS | SOURCE | 19:50 | 1 | |
| Tambaram | TBM | 20:18 | 20:20 | 1 | |
| Chengalpattu Junction | CGL | 20:48 | 20:50 | 1 | |
| Madurantakam | MMK | 21:08 | 21:10 | 1 | |
| Melmaruvathur | MLMR | 21:18 | 21:20 | 1 | |
| Tindivanam | TMV | 21:43 | 21:45 | 1 | |
| Villupuram Junction | VM | 22:28 | 22:30 | 1 | |
| Vriddhachalam Junction | VRI | 23:10 | 23:12 | 1 | |
| Tiruchchirappalli Junction | TPJ | 01:00 | 01:05 | 2 | |
| Dindigul Junction | DG | 02:17 | 02:20 | 2 | |
| Madurai Junction | MDU | 03:20 | 03:25 | 2 | |
| Thirumangalam | TMQ | 03:44 | 03:45 | 2 | |
| Virudhunagar Junction | VPT | 04:10 | 04:12 | 2 | |
| Sattur | SRT | 04:32 | 04:34 | 2 | |
| Kovilpatti | CVP | 04:50 | 04:52 | 2 | |
| Tirunelveli Junction | TEN | 06:05 | 06:10 | 2 | |
| Nanguneri | NNN | 06:38 | 06:39 | 2 | |
| Valliyur | VLY | 06:50 | 06:52 | 2 | |
| Aralvaimozhi | AAY | 07:10 | 07:11 | 2 | |
| Nagercoil Town | NJT | 07:40 | 07:43 | 2 | |
| Eraniel | ERL | 07:55 | 07:56 | 2 | |
| Kuzhithurai | KZT | 08:10 | 08:13 | 2 | |
| Parassala | PASA | 08:23 | 08:24 | 2 | |
| Neyyattinkara | NYY | 08:37 | 08:38 | 2 | |
| Thiruvananthapuram Central | TVC | 09:30 | 09:35 | 2 | |
| Varkala Sivagiri | VAK | 10:15 | 10:16 | 2 | |
| Paravur | PVU | 10:27 | 10:28 | 2 | |
| Kollam Junction | QLN | 11:15 | DEST | 2 | |
| 20636 - Kollam → Chennai Egmore ~ Ananthapuri Superfast Express | |||||
| Kollam Junction | QLN | SOURCE | 14:50 | 1 | |
| Paravur | PVU | 15:04 | 15:05 | 1 | |
| Varkala Sivagiri | VAK | 15:15 | 15:16 | 1 | |
| Thiruvananthapuram Central | TVC | 16:00 | 16:05 | 1 | |
| Neyyattinkara | NNY | 16:29 | 16:30 | 1 | |
| Parassala | PASA | 16:43 | 16:44 | 1 | |
| Kuzhithurai | KZT | 16:54 | 16:57 | 1 | |
| Eraniel | ERL | 17:12 | 17:13 | 1 | |
| Nagercoil Town | NJT | 17:24 | 17:27 | 1 | |
| Aralvaimozhi | AAY | 17:53 | 17:54 | 1 | |
| Valliyur | VLY | 18:14 | 18:16 | 1 | |
| Nanguneri | NNN | 18:27 | 18:28 | 1 | |
| Tirunelveli Junction | TEN | 19:00 | 19:05 | 1 | |
| Kovilpatti | CVP | 19:57 | 19:59 | 1 | |
| Sattur | SRT | 20:16 | 20:18 | 1 | |
| Virudhunagar Junction | VPT | 20:50 | 20:52 | 1 | |
| Thirumangalam | TMQ | 21:10 | 21:11 | 1 | |
| Madurai Junction | MDU | 21:50 | 21:55 | 1 | |
| Dindigul Junction | DG | 22:48 | 22:50 | 1 | |
| Tiruchchirappalli Junction | TPJ | 00:15 | 00:20 | 2 | |
| Virudhachalam Junction | VRI | 01:45 | 01:47 | 2 | |
| Villupuram Junction | VM | 03:00 | 03:05 | 2 | |
| Tindivanam | TMV | 03:40 | 03:42 | 2 | |
| Melmaruvathur | MLMR | 04:03 | 04:05 | 2 | |
| Madurantakam | MMK | 04:18 | 04:20 | 2 | |
| Chengalpattu Junction | CGL | 04:43 | 04:45 | 2 | |
| Tambaram | TBM | 05:13 | 05:15 | 2 | |
| Mambalam | MBM | 05:34 | 05:35 | 2 | |
| Chennai Egmore | MS | 06:10 | DEST | 2 | |
In total 23 coaches are there. It includes One AC First Class (H), AC 2 Tier (A), AC 3 Tier (B), Sleeper Class (SL), Unreserved general sitting coach (GS) and End on Generators (SLRD).
The Ananthapuri Superfast Express between Chennai Egmore and Kollam has a rake sharing agreement (RSA) with Uzhavan Express (16865 / 16866) between Chennai and Thanjavur. The primary maintenanced by the four rakes of the express at Tiruchchirappalli (Trichy) coaching depot.[5]The engine of 16723 Express caught fire at Kollam Junction on 16 July 2018.[6]