| Color: | 20B2AA |
| Agartala–SMVT Bengaluru Humsafar Express | |
| Type: | Humsafar Express |
| Operator: | Northeast Frontier Railway |
| End: | (SMVB) |
| Stops: | 30 |
| Start: | (AGTL) |
| Distance: | 3529km (2,193miles) |
| Journeytime: | 63 hours |
| Frequency: | 2 times a week |
| Class: | AC 3 tier |
| Seating: | No |
| Sleeping: | Yes |
| Catering: | Available |
| Observation: | Large windows |
| Stock: | LHB Humsafar |
| Trainnumber: | 12503 / 12504 |
| Map State: | collapsed |
The 12504/12503 Agartala–SMVT Bengaluru Humsafar Express [1] is the longest-running Humsafar Express and 7th longest train service of Indian Railways, It is a fully air conditioned express train, connecting Sir M. Visvesvaraya Terminal, Bengaluru, the capital city of Karnataka and Agartala railway station, Agartala, the capital city of Tripura . It is currently being operated with 12503/12504 train numbers on a weekly basis. The train runs through states of Karnataka, Tamil Nadu, Andhra Pradesh, Odisha, West Bengal, Bihar, Assam and Tripura. On its journey the train also touches some parts of Jharkhand in Pakur district but does not have the stoppage there.[2] [3] [4]
The trains is completely 3-tier AC LHB coach designed by Indian Railways with features of LED screen display to show information about stations, train speed etc. and have announcement system as well as, Vending machines for tea, coffee and milk, Fitted with bio toilets in compartments as well as CCTV cameras.
This train consists of sixteen AC III Tier coaches, one Pantry car and two Generator Power Car coaches.
| B16 | B15 | B14 | B13 | B12 | B11 | B10 | B9 | B8 | B7 | B6 | B5 | B4 | B3 | B2 | B1 | |||||
| EN | GC | 3A | 3A | 3A | 3A | 3A | 3A | 3A | PC | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A | GC | |
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | |
| Code | Station name | Zone | Div. | Halt | Dist. | Day | State | ||
| 1 | SMVB | Sir M. Visvesvaraya Terminal | SWR | SBC | 0 | 0 | 1 | Karnataka | |
| 2 | WFD | SWR | SBC | 2 | 20 | 1 | Karnataka | ||
| 3 | KPD | SR | MAS | 5 | 228 | 1 | Tamil Nadu | ||
| 4 | PER | (RL) (Chennai) | SR | MAS | 5 | 352 | 1 | Tamil Nadu | |
| 5 | BZA | (RL) | SCR | BZA | 10 | 782 | 1 | Andhra Pradesh | |
| 6 | DVD | ECOR | WAT | 2 | 1114 | 2 | Andhra Pradesh | ||
| 7 | VSKP | ECOR | WAT | 20 | 1131 | 2 | Andhra Pradesh | ||
| 8 | VZM | ECOR | WAT | 2 | 1192 | 2 | Andhra Pradesh | ||
| 9 | CHE | ECOR | WAT | 2 | 1262 | 2 | Andhra Pradesh | ||
| 10 | PSA | ECOR | KUR | 2 | 1334 | 2 | Andhra Pradesh | ||
| 11 | BAM | ECOR | KUR | 2 | 1408 | 2 | Odisha | ||
| 12 | KUR | ECOR | KUR | 15 | 1555 | 2 | Odisha | ||
| 13 | BBS | (RL) | ECOR | KUR | 5 | 1574 | 2 | Odisha | |
| 14 | CTC | ECOR | KUR | 2 | 1602 | 2 | Odisha | ||
| 15 | BHC | ECOR | KUR | 2 | 1717 | 2 | Odisha | ||
| 16 | KGP | SER | KGP | 5 | 1898 | 2 | West Bengal | ||
| 17 | ADL | SER | HWH | 2 | 1998 | 2 | West Bengal | ||
| 18 | DKAE | (Howrah) (RL) | ER | HWH | 2 | 2014 | 2 | West Bengal | |
| 19 | RPH | ER | HWH | 2 | 2219 | 2 | West Bengal | ||
| 20 | MLDT | ER | MLDT | 10 | 2340 | 3 | West Bengal | ||
| 21 | KNE | NFR | KIR | 2 | 2486 | 3 | Bihar | ||
| 22 | NJP | New Jalpaiguri Junction (Siliguri) (RL) | NFR | KIR | 10 | 2573 | 3 | West Bengal | |
| 23 | NBQ | NFR | RNY | 2 | 2824 | 3 | Assam | ||
| 24 | KYQ | NFR | LMG | 5 | 3026 | 3 | Assam | ||
| 25 | GHY | NFR | LMG | 15 | 3034 | 3 | Assam | ||
| 26 | NHLG | NFR | LMG | 3 | 3250 | 3 | Assam | ||
| 27 | BPB | NFR | LMG | 25 | 3321 | 3 | Assam | ||
| 28 | NKMG | NFR | LMG | 2 | 3339 | 3 | Assam | ||
| 29 | DMR | NFR | LMG | 2 | 3403 | 4 | Tripura | ||
| 30 | ABSA | NFR | LMG | 2 | 3475 | 4 | Tripura | ||
| 31 | AGTL | NFR | LMG | 0 | 3542 | 4 | Tripura |
This train is hauled by an Electric Loco Shed, Royapuram-based WAP-7 or Electric Loco Shed, Erode-based WAP-7 locomotive from Sir M. Visvesvaraya Terminal to . Then from to it is hauled by a WAP-7 locomotive of Electric Loco Shed, Howrah. And then from to it is hauled by WDP-4D locomotive of Diesel Loco Shed, Siliguri.
| Train number | Station code | Departure station | Departure time | Departure day | Arrival station | Arrival time | Arrival day | |
|---|---|---|---|---|---|---|---|---|
| 12503 | SMVB | Sir M. Visvesvaraya Terminal | 10:15 AM | Tuesday | Agartala | 02:50 AM | Friday | |
| 12504 | AGTL | Agartala | 05:55 AM | Saturday | Sir M. Visvesvaraya Terminal | 2:15 PM | Monday |
It averages 65 km/h as 12503 Humsafar Express starts on Tuesday and covers 3529 km in 64 hrs 35 mins and it averages 66 km/h as 12504 Humsafar Express starts on Saturday and covers 3529 km in 62 hrs 20mins.[5]