| Inland Waterways Authority of India | uttar pradesh | 174 | |
| Inspector General Of Police | maharashtra | 1 | |
| Inspectorate of Factories and Boilers, Institute of Safety, Occupational Health and Environment | goa | 1 | |
| Instiitute For Financial Management And Research | andhra pradesh | 1 | |
| Institute for Defence Studies and Analyses | delhi | 8 | |
| Institute For Development And Research In Banking Technology | telangana | 13 | |
| Institute for Development and Research in Banking Technology | andhra pradesh | 10 | |
| Institute for Plasma Research | gujarat | 30 | |
| Institute for Social and Economic Change | karnataka | 2 | |
| Institute for Stem Cell Biology and Regenerative Medicine | central government | 111 | |
| Institute for Studies in Industrial Development | delhi | 1 | |
| Institute of Advanced Study in Science and Technology | assam | 6 | |
| Institute Of Banking Personnel Selection | central government | 26 | |
| Institute Of Company Secretaries Of India | delhi | 55 | |
| Institute of Cytology & Preventive Oncology | uttar pradesh | 1 | |
| Institute Of Forest Biodiversity | telangana | 2 | |
| Institute of Genomics and Integrative Biology | delhi | 1 | |
| Institute Of Hotel Management And Catering Technology | kerala | 1 | |
| Institute Of Hotel Management Catering Technology & Applied Nutrition | west bengal | 3 | |
| Institute Of Hotel Management Catering Technology And Applied Nutrition | meghalaya | 1 | |
| Institute Of Hotel Management, Catering & Nutrition | delhi | 2 | |
| Institute Of Hotel Management, Catering Technology & Applied Nutrition | odisha | 3 | |
| Institute of Human Behaviour and Allied Sciences | delhi | 3 | |
| Institute of Life Sciences | odisha | 1 | |
| Institute of Management in Kerala, University of Kerala | kerala | 249 | |