| Code | Name | Region |
|---|---|---|
| INMZA | Muzaffarnagar | |
| INMZU | Muzaffarpur | |
| INCGA | Mwcdl-apparels-sez/chengalpattu | TN |
| INCGL | Mwcdl-auto-ancillaries-sez/chengalpattu | TN |
| INCGI | Mwcdl-it-sez/chengalpattu | TN |
| INMYR | Mylapore | TN |
| INMBZ | Metia Bruz | WB |
| INMTT | Mettupalayam | TN |
| INMTR | Mettur | TN |
| INMTW | Metwad | GJ |
| INMCI | Minicoi I | KL |
| INMRJ | Miraj | MH |
| INMRI | Mithivirdi | GJ |
| INYNA | Modern Asset Sezi/yelahanka Hobli | KA |
| INYMA | Modern Asset Sezii/yelahanka Hobli | KA |
| INMUZ | Modinagar Icd/ghaziabad | UP |
| INMOG | Moga | PB |
| INMHI | Mohali | MH |
| INMOH | Mohanbari | |
| INMRA | Mora | MH |
| INMOR | Moradabad | UP |
| INMOB | Morbi | GJ |
| INMRE | Moreh | ML |
| INMOE | Morena | MP |
| INMAR | Morigaon | AS |
| INADM | Mrpl-sez/ahmadabad | GJ |
| INMAQ | Mangalore Sez | KA |
| INMGR | Mangrol | GJ |
| INMKC | Manikarchar | AS |
| INMNR | Manori | MH |
| INMNS | Mansa | PB |
| INMNU | Manu | AS |
| INMRM | Marmagao (marmugao) | GA |
| INMLI | Maroli | GJ |
| INMAP | Masulipatnam | AP |
| INMKM | Mathilakam | KL |
| INMAT | Mathura | UP |
| INMAU | Mau | UP |
| INMAV | Mavalli | KA |
| INMYB | Mayabandar | AN |
| INMYD | Mayiladuthurai | TN |
| INMYN | Mayurbhanj | OR |
| INMDW | Meadows | AN |
| INMED | Medinipur | WB |
| INMER | Meerut | UP |
| INMKN | Makrana | RJ |
| INMPR | Malanpur | MP |
| INMRK | Malappuram | KL |
| INLDA | Malda | |
| INMWA | Maliwada | MH |