India Toll-Free Nos. Directory (Letter I)
| i-mint | 1800-102-6648 |
| i-Pill | 1800-22-9898 |
| IBM | 1800-425-3333, 1800-425-6666, 1800-102-6666 |
| IBM Lenovo | 1800-425-3336 |
| IBSAT | 1-800-103-0303, 1-800-425-2911 |
| ICICI Bank | 1800-22-4848 |
| ICICI Credit Cards | 1800-11-2222 |
| ICICI Lombard | 1-800-209-8888 |
| ICICI Lombard - Health Care Services | 1800-425-7878 |
| ICICI Prudential | 1800-22-2020 |
| ICICIDirect.com | 1800-22-9191 |
| IDBI Bank | 1800-11-6999, 1800-22-1070, 1800-200-1947 |
| IDBI Paisebuilder | 1800-22-3355 |
| Idea Cellular | 1800-270-5555 |
| IFFCO-TOKIO General Insurance | 1800-345-3303, 1800-103-5499 |
| IL&FS InvestSmart | 1800-22-4444 |
| ImagesBazaar | 1800-11-6869 |
| In Digital | 1800-22-3456 |
| India Ahoy | 1-800-11-2289 |
| India AntiVirus | 1800-209-5550 |
| India Infoline | 1800-22-6555 |
| India Meteorological Department (Govt. of India) | 1800-180-1717 |
| India Prohealth Foods | 1800-180-2033 |
| India Today Magazine (Living Media India Ltd) | 1800-11-1155 |
| Indian Airlines | 1800-180-1407 |
| Indian Bank | 1800-425-1400 |
| Indian Oil | 1800-2333-555 |
| Indian Railway Catering and Tourism Corporation (IRCTC) | 1800-111-139 |
| Indian Renewable Energy Development Agency Limited (IREDA) | 1-800-111-442 |
| IndiaProperties.com | 1800-233-4555 |
| Indiatimes Travel | 1800-180-8800, 1800-102-8888 |
| IndiGo | 1800-180-3838 |
| Indraprastha Gas Limited (IGL) - PNG Helpline | 1800-11-2535 |
| ING Vysya | 1800-425-9900 |
| ING Vysya Life Insurance | 1800-425-5433 |
| Ingersoll Rand | 1-800-233-7926 |
| Institute for Technology and Management (ITM) | 1800-22-9727 |
| Institute of Finance, Banking & Insurance (IFBI) | 1800-180-6448, 1800-102-6448 |
| Intelnet | 1800-209-3355 |
| InterContinental Hotels Group - Hotel Reservation Service | 1800-11-1000 |
| International Institute of Info tech | 1800-233-6372 |
| International Institute of Information Technology (I2IT) | 1800-233-6372 |
| Intex | 1800-11-6789 |
| Investmentz.co.in | 1800-22-9002 |
| iSchool | 1800-102-1515 |
| ITC Welcome Group | 1800-11-1333, 1800-102-2333, 1800-200-2333 |
| ITM Business School | 1800-22-9727 |
| ITM Group of Institutions | 1800-209-9727, 1800-22-9727 |
| ITON UPS - Emerson Network Power | 1-800-22-3331 |
| iTrust | 1800-180-7424 (RICH) |
