| Train | Source | Destination | Days Run from Barauni Jn |
| 12521 - Rapti Sagar Express | Barauni Jn (BJU) | Ernakulam Jn (ERS) | Mon |
| # | Station | Arrival | Departure | Halt | Distance | Day |
| 1 | Barauni Jn (BJU) | Source | 10:50 PM | 0 Mins | 0 KMs | 1 |
| 2 | Samastipur Jn (SPJ) | 11:35 PM | 11:40 PM | 5 Mins | 51 KMs | 1 |
| 3 | Muzaffarpur Jn (MFP) | 12:35 AM | 12:40 AM | 5 Mins | 103 KMs | 2 |
| 4 | Hajipur Jn (HJP) | 01:30 AM | 01:35 AM | 5 Mins | 157 KMs | 2 |
| 5 | Sonpur Jn (SEE) | 01:43 AM | 01:45 AM | 2 Mins | 162 KMs | 2 |
| 6 | Chhapra (CPR) | 03:00 AM | 03:05 AM | 5 Mins | 216 KMs | 2 |
| 7 | Siwan Jn (SV) | 03:55 AM | 04:00 AM | 5 Mins | 276 KMs | 2 |
| 8 | Bhatni Jn (BTT) | 04:38 AM | 04:40 AM | 2 Mins | 325 KMs | 2 |
| 9 | Deoria Sadar (DEOS) | 05:02 AM | 05:04 AM | 2 Mins | 346 KMs | 2 |
| 10 | Gorakhpur Jn (GKP) | 06:23 AM | 06:33 AM | 10 Mins | 396 KMs | 2 |
| 11 | Khalilabad (KLD) | 07:09 AM | 07:11 AM | 2 Mins | 431 KMs | 2 |
| 12 | Basti (BST) | 07:35 AM | 07:37 AM | 2 Mins | 461 KMs | 2 |
| 13 | Mankapur Jn (MUR) | 08:21 AM | 08:23 AM | 2 Mins | 522 KMs | 2 |
| 14 | Gonda Jn (GD) | 08:51 AM | 08:54 AM | 3 Mins | 550 KMs | 2 |
| 15 | Barabanki Jn (BBK) | 10:25 AM | 10:27 AM | 2 Mins | 638 KMs | 2 |
| 16 | Badshahnagar (BNZ) | 11:00 AM | 11:03 AM | 3 Mins | 663 KMs | 2 |
| 17 | Aishbagh (ASH) | 11:35 AM | 11:45 AM | 10 Mins | 672 KMs | 2 |
| 18 | Unnao Jn (ON) | 12:40 PM | 12:42 PM | 2 Mins | 730 KMs | 2 |
| 19 | Kanpur Central (CNB) | 01:12 PM | 01:17 PM | 5 Mins | 748 KMs | 2 |
| 20 | Pokhrayan (PHN) | 02:15 PM | 02:17 PM | 2 Mins | 806 KMs | 2 |
| 21 | Orai (ORAI) | 02:51 PM | 02:53 PM | 2 Mins | 854 KMs | 2 |
| 22 | Virangana Lakshmibai Jhansi Jn (VGLJ) | 04:45 PM | 04:53 PM | 8 Mins | 967 KMs | 2 |
| 23 | Lalitpur (LAR) | 05:48 PM | 05:50 PM | 2 Mins | 1056 KMs | 2 |
| 24 | Bhopal Jn. (BPL) | 08:55 PM | 09:00 PM | 5 Mins | 1257 KMs | 2 |
| 25 | Itarsi Jn (ET) | 10:40 PM | 10:50 PM | 10 Mins | 1349 KMs | 2 |
| 26 | Ghoradongri (GDYA) | 11:50 PM | 11:51 PM | 1 Mins | 1419 KMs | 2 |
| 27 | Betul (BZU) | 12:30 AM | 12:32 AM | 2 Mins | 1455 KMs | 3 |
| 28 | Amla Jn (AMLA) | 12:52 AM | 12:54 AM | 2 Mins | 1478 KMs | 3 |
| 29 | Nagpur Jn. (NGP) | 03:55 AM | 04:00 AM | 5 Mins | 1644 KMs | 3 |
| 30 | Sevagram (SEGM) | 04:58 AM | 05:00 AM | 2 Mins | 1720 KMs | 3 |
| 31 | Chandrapur (CD) | 06:33 AM | 06:35 AM | 2 Mins | 1839 KMs | 3 |
| 32 | Balharshah (BPQ) | 07:35 AM | 07:40 AM | 5 Mins | 1853 KMs | 3 |
| 33 | Sirpur Kaghaznagar (SKZR) | 08:34 AM | 08:35 AM | 1 Mins | 1923 KMs | 3 |
| 34 | Belampalli (BPA) | 08:59 AM | 09:00 AM | 1 Mins | 1961 KMs | 3 |
| 35 | Mancheral (MCI) | 09:15 AM | 09:16 AM | 1 Mins | 1981 KMs | 3 |
| 36 | Ramgundam (RDM) | 09:25 AM | 09:26 AM | 1 Mins | 1995 KMs | 3 |
| 37 | Warangal (WL) | 11:18 AM | 11:20 AM | 2 Mins | 2099 KMs | 3 |
| 38 | Khammam (KMT) | 12:44 PM | 12:45 PM | 1 Mins | 2207 KMs | 3 |
| 39 | Vijayawada Jn (BZA) | 03:20 PM | 03:30 PM | 10 Mins | 2308 KMs | 3 |
| 40 | Chirala (CLX) | 04:43 PM | 04:45 PM | 2 Mins | 2397 KMs | 3 |
| 41 | Ongole (OGL) | 05:28 PM | 05:30 PM | 2 Mins | 2446 KMs | 3 |
| 42 | Nellore (NLR) | 06:58 PM | 07:00 PM | 2 Mins | 2562 KMs | 3 |
| 43 | Gudur Jn (GDR) | 07:48 PM | 07:50 PM | 2 Mins | 2601 KMs | 3 |
| 44 | Puratchi Thalaivar Dr. Mgr Ctl (MAS) | 10:40 PM | 11:10 PM | 30 Mins | 2738 KMs | 3 |
| 45 | Katpadi Jn (KPD) | 01:05 AM | 01:10 AM | 5 Mins | 2868 KMs | 4 |
| 46 | Jolarpettai Jn. (JTJ) | 02:18 AM | 02:20 AM | 2 Mins | 2952 KMs | 4 |
| 47 | Salem Jn (SA) | 03:47 AM | 03:50 AM | 3 Mins | 3077 KMs | 4 |
| 48 | Erode Jn (ED) | 04:50 AM | 05:00 AM | 10 Mins | 3136 KMs | 4 |
| 49 | Tiruppur (TUP) | 05:43 AM | 05:45 AM | 2 Mins | 3186 KMs | 4 |
| 50 | Coimbatore Jn (CBE) | 06:42 AM | 06:45 AM | 3 Mins | 3236 KMs | 4 |
| 51 | Palakkad Jn (PGT) | 07:55 AM | 08:00 AM | 5 Mins | 3291 KMs | 4 |
| 52 | Ottappalam (OTP) | 08:24 AM | 08:25 AM | 1 Mins | 3322 KMs | 4 |
| 53 | Wadakancheri (WKI) | 08:52 AM | 08:53 AM | 1 Mins | 3351 KMs | 4 |
| 54 | Thrisur (TCR) | 09:12 AM | 09:15 AM | 3 Mins | 3368 KMs | 4 |
| 55 | Irinjalakuda (IJK) | 09:37 AM | 09:38 AM | 1 Mins | 3391 KMs | 4 |
| 56 | Chalakudi (CKI) | 09:45 AM | 09:46 AM | 1 Mins | 3398 KMs | 4 |
| 57 | Angamali (AFK) | 10:03 AM | 10:04 AM | 1 Mins | 3413 KMs | 4 |
| 58 | Aluva (AWY) | 10:16 AM | 10:18 AM | 2 Mins | 3422 KMs | 4 |
| 59 | Ernakulam Town (ERN) | 10:38 AM | 10:40 AM | 2 Mins | 3439 KMs | 4 |
| 60 | Ernakulam Jn (ERS) | 11:30 AM | Destination | 0 Mins | 3442 KMs | 4 |