| Train | Source | Destination | Days Run from Chennai Egmore |
| 20635 - Anantapuri Express | Chennai Egmore (MS) | Kollam Jn (QLN) | Mon Tue Wed Fri Sat Sun |
| # | Station | Arrival | Departure | Halt | Distance | Day |
| 1 | Chennai Egmore (MS) | Source | 07:50 PM | 0 Mins | 0 KMs | 1 |
| 2 | Tambaram (TBM) | 08:15 PM | 08:17 PM | 2 Mins | 25 KMs | 1 |
| 3 | Chengalpattu Jn. (CGL) | 08:43 PM | 08:45 PM | 2 Mins | 56 KMs | 1 |
| 4 | Madurantakam (MMK) | 09:03 PM | 09:05 PM | 2 Mins | 80 KMs | 1 |
| 5 | Melmaruvathur (MLMR) | 09:18 PM | 09:20 PM | 2 Mins | 91 KMs | 1 |
| 6 | Tindivanam (TMV) | 09:43 PM | 09:45 PM | 2 Mins | 121 KMs | 1 |
| 7 | Villupuram Jn (VM) | 10:33 PM | 10:35 PM | 2 Mins | 158 KMs | 1 |
| 8 | Vriddhachalam Jn (VRI) | 11:18 PM | 11:20 PM | 2 Mins | 213 KMs | 1 |
| 9 | Tiruchchirappalli Jn. (TPJ) | 01:25 AM | 01:30 AM | 5 Mins | 336 KMs | 2 |
| 10 | Dindigul Jn (DG) | 02:27 AM | 02:30 AM | 3 Mins | 430 KMs | 2 |
| 11 | Madurai Jn (MDU) | 03:15 AM | 03:20 AM | 5 Mins | 496 KMs | 2 |
| 12 | Tirumangalam (TMQ) | 03:37 AM | 03:38 AM | 1 Mins | 514 KMs | 2 |
| 13 | Virudunagar Jn (VPT) | 03:53 AM | 03:55 AM | 2 Mins | 539 KMs | 2 |
| 14 | Satur (SRT) | 04:13 AM | 04:15 AM | 2 Mins | 566 KMs | 2 |
| 15 | Kovilpatti (CVP) | 04:33 AM | 04:35 AM | 2 Mins | 588 KMs | 2 |
| 16 | Tirunelveli Jn (TEN) | 06:00 AM | 06:05 AM | 5 Mins | 653 KMs | 2 |
| 17 | Nanguneri (NNN) | 06:33 AM | 06:34 AM | 1 Mins | 681 KMs | 2 |
| 18 | Valliyur (VLY) | 06:45 AM | 06:47 AM | 2 Mins | 695 KMs | 2 |
| 19 | Aralvaymoli (AAY) | 07:01 AM | 07:02 AM | 1 Mins | 713 KMs | 2 |
| 20 | Nager Coil Town (NJT) | 07:25 AM | 07:28 AM | 3 Mins | 731 KMs | 2 |
| 21 | Eraniel (ERL) | 07:41 AM | 07:42 AM | 1 Mins | 744 KMs | 2 |
| 22 | Kulitthurai (KZT) | 08:04 AM | 08:05 AM | 1 Mins | 759 KMs | 2 |
| 23 | Parassala (PASA) | 08:15 AM | 08:16 AM | 1 Mins | 768 KMs | 2 |
| 24 | Neyyattinkara (NYY) | 08:31 AM | 08:32 AM | 1 Mins | 780 KMs | 2 |
| 25 | Thiruvananthapuram Central (TVC) | 09:20 AM | 09:25 AM | 5 Mins | 797 KMs | 2 |
| 26 | Varkala (VAK) | 10:06 AM | 10:07 AM | 1 Mins | 838 KMs | 2 |
| 27 | Paravur (PVU) | 10:19 AM | 10:20 AM | 1 Mins | 849 KMs | 2 |
| 28 | Kollam Jn (QLN) | 11:15 AM | Destination | 0 Mins | 862 KMs | 2 |