| Indian Oil Corporation Limited | haryana | 2 | |
| Indian Oil Corporation Limited | tamil nadu | 3 | |
| Indian Oil Corporation Limited | gujarat | 6 | |
| Indian Oilseed and Produce Export Promotion Council | central government | 2 | |
| Indian Ordnance Factories | telangana | 2 | |
| Indian Overseas Bank | central government | 6 | |
| Indian Pharmacopoeia Commission | uttar pradesh | 3 | |
| Indian Pharmacopoeia Commission | central government | 2 | |
| Indian Port Rail Corporation Limited | maharashtra | 21 | |
| Indian Ports Association | delhi | 5 | |
| Indian Post | assam | 3 | |
| Indian Railway Finance Corporation Limited | delhi | 10 | |
| Indian Railway Stations Development Corporation Limited | delhi | 9 | |
| Indian Railways | uttar pradesh | 2 | |
| Indian Railways eProcurement Systems | delhi | 1 | |
| Indian Railways Online | delhi | 18 | |
| Indian Rare Earths Limited | maharashtra | 3 | |
| Indian Renewable Energy Development Agency Limited | delhi | 2 | |
| Indian Space Research Organisation | telangana | 3 | |
| Indian Space Research Organisation | karnataka | 38 | |
| Indian Space Research Organisation | andhra pradesh | 9 | |
| Indian Space Research Organisation | uttarakhand | 3 | |
| Indian Space Research Organisation | tamil nadu | 2 | |
| Indian Space Research Organisation | gujarat | 14 | |
| Indian Space Research Organisation | kerala | 4 | |