Ananthapuri Express
| Overview | |||||
|---|---|---|---|---|---|
| Service type | Superfast | ||||
| Locale | Kerala & Tamil Nadu | ||||
| First service | 30 June 2002 | ||||
| Current operator | Southern Railway | ||||
| Route | |||||
| Termini | Tambaram (TBM) Kollam Junction (QLN) | ||||
| Stops | 26 Halts | ||||
| Distance travelled | 858 km (533 mi) | ||||
| Average journey time | 15 hours 30 minutes | ||||
| Service frequency | Daily | ||||
| Train number | 20635 / 20636 | ||||
| On-board services | |||||
| Classes | AC first, AC 2 tier, AC 3 tier, Sleeper class, General Unreserved | ||||
| Disabled access | |||||
| Seating arrangements | Yes | ||||
| Sleeping arrangements | Yes | ||||
| Catering facilities | On-Board Catering, E-Catering | ||||
| Observation facilities | Large windows | ||||
| Baggage facilities | Available | ||||
| Other facilities | Below the seats | ||||
| Technical | |||||
| Rolling stock | ICF coach (lhb by Q1 2026) | ||||
| Track gauge | 5 ft 6 in (1,676 mm) broad gauge | ||||
| Operating speed | 67 km/h (42 mph) average including halts. | ||||
| Rake maintenance | Tiruchchirappalli Junction CDO | ||||
| Rake sharing | 16965/16866 Uzhavan Express. | ||||
| |||||
The 20635 / 20636 Ananthapuri Express is an express train running between Kollam Junction and Tambaram via Thiruvananthapuram Central, 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.