South Central Railway has announced large-scale changes in train operations due to pre-non-interlocking and non-interlocking works at Mandamari station. The works are part of the ongoing tripling project on the Kazipet–Balharshah section under Secunderabad Division. The changes will impact several long-distance express and special trains during late January and February 2026.
According to the railway zone, the engineering works are essential for capacity enhancement on the busy corridor, but will temporarily affect passenger train movements, including cancellations, diversions, rescheduling, and short regulations.
Several long-distance express and special trains cancelled
A total of 16 train services have been cancelled on different dates due to the block. These include popular Raptisagar Superfast Express services connecting Gorakhpur, Barauni, Ernakulam, and Thiruvananthapuram North, as well as long-distance trains linking Madurai, Chandigarh, Korba, and Lal Kuan.
Multiple special trains running between Danapur, SMVT Bengaluru, Kanpur Central, and KSR Bengaluru have also been cancelled on select days. Passengers booked on these trains are advised to check cancellation details carefully and opt for refunds or alternate services.
| Sl No. | Train No. & Description | Journey Commencing | Day of Services |
| 1 | Train No. 12511 Gorakhpur — Thiruvananthapuram North Raptisagar Superfast Express | 12.02.2026 & 13.02.2026 | Thursday, & Friday |
| 2 | Train No. 12512 Thiruvananthapuram North —Gorakhpur Raptisagar Superfast Express | 10.02.2026 & 11.02.2026 | Tuesday, & Wednesday |
| 3 | Train No. 12521 Barauni —Ernakulam Raptisagar Superfast Express | 09.02.2026 | Monday |
| 4 | Train No. 12522 Ernakulam —Barauni Raptisagar Superfast Express | 13.02.2026 | Friday |
| 5 | Train No.22647 Korba — Thiruvananthapuram North Superfast Express | 28th & 31.01.2026, 04th, 07th, 11th & 14.02.2026 | Wednesday & Saturday |
| 6 | Train No.22648 Thiruvananthapuram North — Korba Superfast Express | 26th & 29. 01.2026, 02nd, 05th,09th & 12.02.2026 | Monday & Thursday |
| 7 | Train No.20493 Madurai — Chandigarh Superfast Express | 11.02.2026 & 15.02.2026 | Wednesday & Sunday |
| 8 | Train No.20494 Chandigarh — Madurai Superfast Express | 09.02.2026 & 13.02.2026 | Monday & Friday |
| 9 | Train No.03251 Danapur— SMVT Bengaluru Special (via Perambur, Katpadi, Jolarpettai) | 08.02.2026 & 09.02.2026 | Monday & Sunday |
| 10 | Train No.03252 SMVT Bengaluru — Danapur Special (via Jolarpettai, Katpadi and Perambur) | 10.02.2026 & 11.02.2026 | Tuesday & Wednesday |
| 11 | Train No. 03259 Danapur— SMVT Bengaluru Special (via Perambur, Katpadi, Jolarpettai) | 03.02.2026 & 10.02.2026 | Tuesday |
| 12 | Train No.03260 SMVT Bengaluru — Danapur Special (via Jolarpettai, Katpadi and Perambur) | 05.02.2026 & 12.02.2026 | Thursday |
| 13 | Train No.04131 Kanpur Central — SMVT Bengaluru Special (via Katpadi & Jolarpettai) | 01.02.2026 & 08.02.2026 | Sunday |
| 14 | Train No. 04132 SMVT Bengaluru — Kanpur Central Special (Jolarpettai & Katpadi) | 04.02.2026 & 11.02.2026 | Wednesday |
| 15 | Train No. 05073 KSR Bengaluru – Lal Kuan Special (via Jolarpettai, Katpadi) | 03.02.2026 & 10.02.2026 | Tuesday |
| 16 | Train No.05074 Lal Kuan — KSR Bengaluru Special (Katpadi and Jolarpettai) | 31.01.2026 & 07.02.2026 | Saturday |
Major diversions announced; select trains rescheduled and regulated
In addition to cancellations, South Central Railway has diverted at least 14 train services via alternate routes to bypass the work-affected section. These include Indore–Thiruvananthapuram North Express, Ernakulam–Barauni Raptisagar Express, and several Danapur–SMVT Bengaluru special trains. The diverted routes pass through key junctions such as Vijayawada, Kazipet, Nizamabad, Itarsi, Bhusaval, and Akola.
| Sl No. | Train No. & Description | Journey Commencing | Day of Services | Diverted Route |
| 1 | Train No. 22645 Indore —Thiruvananthapuram North Superfast Express | 09.02.2026 | Monday | Pimpalkhuti,Mudkhed,Nizamabad, Maula Ali, Kazipet, Vijayawada, Gudur |
| 2 | Train No. 22646 Thiruvananthapuram North —Indore Superfast Express | 07.02.2026 | Saturday | Gudur, Vijayawada, Kazipet, Maula Ali, Nizamabad, Mudkhed, Pimpalkhuti |
| 3 | Train No. 12512 Thiruvananthapuram North — Gorakhpur Raptisagar Superfast Express | 27th & 28.01.2026, 01st & 03.02.2026 | Tuesday, Wednesday, Sunday | Gudur, Vijayawada, Kazipet, Maula Ali,Nanded, Purna, Akola, Malkapur, Bhusaval, Khandwa, Itarsi |
| 4 | Train No. 12522 Ernakulam—Barauni Raptisagar Superfast Express | 30.01.2026 & 06.02.2026 | Friday | Gudur, Vijayawada, Kazipet, Maula Ali,Nanded, Purna, Akola, Malkapur, Bhusaval, Khandwa, Itarsi |
| 5 | Train No. 03241 Danapur— SMVT Bengaluru Special (via Perambur, Katpadi, Jolarpettai) | 06th & 07.01.2026, & 13.02.2026 | Friday, Saturday | Itarsi, Khandwa, Bhusaval, Malkapur, Akola, Purna, Nizamabad, Peddapalli, Warangal |
| 6 | Train No.03242 SMVT Bengaluru — Danapur Special (via Jolarpettai, Katpadi & Perambur) | 08. 02.2026, & 09.02.2026 | Monday, Monday | Warangal, Peddapalli, Nizamabad, Purna, Akola, Malkapur, Bhusaval, Khandwa, Itarsi, |
| 7 | Train No. 03245 Danapur— SMVT Bengaluru Special (via Perambur, Katpadi, Jolarpettai) | 04.02.2026, & 11.02.2026 | Wednesday | Itarsi, Khandwa, Bhusaval, Malkapur, Akola, Purna, Nizamabad, Peddapalli, Warangal |
| 8 | Train No.03246 SMVT Bengaluru — Danapur Special (via Jolarpettai, Katpadi & Perambur) | 06.02.2026, & 13.02.2026 | Friday | Warangal, Peddapalli, Nizamabad, Purna, Akola, Malkapur, Bhusaval, Khandwa, Itarsi, |
| 9 | Train No. 03247 Danapur— SMVT Bengaluru Special (via Perambur, Katpadi & Jolarpettai) | 05.02.2026, & 12.02.2026 | Thursday | Itarsi, Khandwa, Bhusaval, Malkapur, Akola, Purna, Nizamabad, Peddapalli, Warangal |
| 10 | Train No.03248 SMVT Bengaluru — Danapur Special (via Jolarpettai, Katpadi & Perambur) | 07.02.2026, & 14.02.2026 | Saturday | Warangal, Peddapalli, Nizamabad, Purna, Akola, Malkapur, Bhusaval, Khandwa, Itarsi, |
| 11 | Train No. 03679 Dhanbad — Coimbatore Special | 31.01.2026, & 07.02.2026 | Saturday | Itarsi, Khandwa, Bhusaval, Malkapur, Akola, Purna, Nizamabad, Peddapalli, Warangal |
| 12 | Train No. 03680 Coimbatore— Dhanbad Special | 03.02.2026, & 10.02.2026 | Tuesday | Warangal, Peddapalli, Nizamabad, Purna, Akola, Malkapur, Bhusaval, Khandwa, Itarsi, |
| 13 | Train No.06509 KSR Bengaluru — Danapur Special (Jolarpettai, Katpadi, Arakkonam & Perambur) | 26.01.2026, & 02nd & 09.02.2026 | Monday | Dharmavaram, Wadi, Daund, Bhusaval, Itarsi, |
| 14 | Train No. 06510 Danapur— KSR Bengaluru Special (via Perambur, Arakkonam, Katpadi & Jolarpettai) | 28.01.2026, & 04th & 11.02.2026 | Wednesday | Itarsi, Bhusaval, Daund, Wadi, Dharmavaram, |
Some trains will also face time changes. The Yesvantpur–Lucknow Express and the Jogbani–Erode Amrit Bharat Express have been rescheduled by 60 minutes on select dates. Meanwhile, premium services such as the Hazrat Nizamuddin–Dr MGR Chennai Central Garib Rath and Rajdhani Express will be regulated en route by 30 to 45 minutes.

Passengers are advised to verify train status through official railway enquiry systems before starting their journey, as schedules may vary depending on the date of travel and operational requirements during the block period.
