Government Office संपर्क नंबर
आधिकारिक फ़ोन नंबर, टोल-फ़्री हेल्पलाइन और ईमेल आईडी के साथ 227 लिस्टिंग। अपडेट: October 2026।
- Institute of Cost Accountants of India (ICMAI)033-40364735
- Institute of Genomics and Integrative Biology (CSIR-IGIB)011-27002200
- Institute of Himalayan Bioresource Technology (CSIR-IHBT)01894-233339
- Institute of Hotel Management (IHM), Goa18001803151
- Institute of Hotel Management (IHM), Guwahati1800 180 3151
- Institute of Indian Interior Designers (IIID)022-4603 4395
- Institute Of Microbial Technology (CSIR-IMTech)0172-288010
- Institute Of Minerals And Materials Technology (CSIR-IMMT)0674-256 7126
- Institute of Pesticide Formulation Technology (IPFT)0124-245 5405
- Institute Of Physics (IOP), Bhubaneswar0674-230 6444
- Institute Of Secretariat Training & Management (ISTM)011-26185308
- Institute of Teaching & Research in Ayurveda, Jamnagar (ITRA)0288-255 2014
- Institute Of Wood Science & Technology (ICFRE-IWST)080-2219 0100
- Instrumentation Palakkad (ILP)0491-2566 127
- Integral Coach Factory, Chennai044-26146306
- Intelligent Communication Systems India (ICSIL)011-4053 8951
- Inter University Accelerator Centre (IUAC)011-2412 6018
- Inter University Centre for Astronomy & Astrophysics (IUCAA)020-2560 4100
- Inter-State Council Secretariat (ISCS)011-2338 3102
- International Advanced Research Centre (ARCI)040-2445 2200
- International Centre for Env. Audit & Sustainable Dev. (iCED)0141-2772009
- International Centre For Theoretical Sciences (ICTS)080-4653 6000
- International Institute For Population Sciences (IIPS)022-2556 3489
- Invest India011-2304 8155
- Investor Edu. And Prot. Fund Authority (IEPFA)1800114667
- IPICOL Odisha1800 345 7111
- Ircon International011-2653 0266
- IRCTC Tourism1800 110 139
- IRCTC Train Ticket18001801295
- Irrigation Design & Research Board (IDRB)0471-2784 001
- Islampur District Police, West Bengal033-26372637
- ISRO Propulsion Complex (IPRC)04637-281 510
- ISRO Telemetry, Tracking & Command Network (ISTRAC)080-28094511
- Itanagar District18004251400 4
- Itanagar Municipal Corporation (ICM)1800 345 3173