| STATION | CODE | STATION | CODE | STATION | CODE |
| I Polavaram | 8856 | Inamhongal | 8330 | Irkalgad | 8534 |
| I.B.Thermal | 6645 | Inamkulathur | 431 | Irkasandra Colony | 8138 |
| I.D.Halli | 8137 | Inampuliyur | 431 | Irumbanangad | 474 |
| I.G.Halli | 8117 | Inchageri | 8422 | Irumborai | 4254 |
| Iadigol | 8157 | Inchal | 8337 | Irumpupalam | 4864 |
| Ib Thermal | 6647 | Inchauli | 121 | Iruttukanam | 4864 |
| Ibban | 183 | Indalwadi | 8110 | Isagarh | 7541 |
| Ibrahimpatnam | 8414 | Indapur | 2111 | Isanagar | 5874 |
| Ibrahimpatnam | 8725 | Indar | 7492 | Isanpur | 2758 |
| Ibrahimpur | 8380 | Indargi | 8539 | Ishaq | 1741 |
| Ibrahimpur | 8479 | Indergarh | 7521 | Ishargarh | 1744 |
| Ichalkaranji | 2324 | Indervalli | 8731 | Isharwal | 1255 |
| Ichapuram | 8947 | Indi | 8359 | Ishmaila | 1262 |
| Ichek | 6548 | Indluru | 8565 | Ishopur | 1732 |
| Ichhawar | 7561 | Indora | 1893 | Ishwarya | 2804 |
| Ichilangode | 4998 | Indore | 731 | Isipur | 6429 |
| Idagoor | 8155 | Indri | 184 | Islampur | 2348 |
| Idagundi | 8419 | Indukurpet | 861 | Islampur | 1592 |
| Idagur | 8155 | Indupalli | 8676 | Islampur | 3481 |
| Idaikal | 4633 | Indupur | 6727 | Islampur | 3526 |
| Idaiyur | 4369 | Indupur | 3242 | Islampur(WD) | 3526 |
| Idappadi | 4283 | Indur | 4342 | Ismailabad | 1744 |
| Idar | 2778 | Indus | 3243 | Ismailpur | 1460 |
| Idayakottai | 4553 | Indus | 3244 | Isnapur | 8451 |
| Idayamelur | 4575 | Induvalli | 8184 | Ispurli | 2322 |
| Idukki | 4862 | Ingalageri | 8536 | Issewal | 161 |
| Igatpuri | 2553 | Ingalagi | 8304 | Issru | 1628 |
| Igoor | 8192 | Ingaldahal | 8512 | Issru | 1632 |
| Ijeri | 8442 | Ingaleshwar | 8356 | Iswaramangala | 8251 |
| Ikaunaa | 5252 | Ingalgeri | 8356 | Iswarigacha | 3216 |
| Ikhar | 2641 | Ingali | 8338 | Itagi | 8336 |
| Ilanthope | 4364 | Ingur | 4294 | Itagi | 8373 |
| Ilav | 2646 | Inkollu | 8594 | Itagi | 8389 |
| Ilayarasanendal | 4632 | Inna | 8258 | Itagi(BL) | 8399 |
| Ilkal | 8351 | INS Chilka | 67567 | Itagi(RCR) | 8534 |
| Illambazar | 3463 | INS Valsura | 288 | Itagoria | 3462 |
| Illanthakunta | 8723 | Inturu | 8644 | Itahar | 3523 |
| Illayangudi | 4564 | Ipru | 8641 | Itakala | 2643 |
| Illupur | 4339 | Ipulapadu | 8594 | Itakhola | 3715 |
| Ilmid | 7854 | Ipur | 8646 | Itanagar | 360 |
| Ilol | 2772 | Iqbalgadh | 2742 | Itarsi | 7572 |
| Imaliye | 7794 | Ira | 8255 | Itawa Mataji | 7412 |
| Imamganj | 6331 | Irala | 8573 | Itawdi | 7283 |
| Imamganj | 5253 | Irde | 8251 | Itinda | 3217 |
| Imphal | 385 | Irent | 2715 | Itki | 6529 |
| Impur | 369 | Irgampalli | 8154 | Itlar | 2646 |
| Inaj | 2876 | Irikkur | 4982 | Itoli | 2457 |
| Inam Hongal | 8330 | Irinjalakuda | 480 | Ittamozhi | 4637 |
| Inamhanchinal | 8425 | Iritty | 490 | Ivaranadu | 8257 |
| Iyanpuram | 4328 | Iyengarkulam | 4112 | | |
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