- Institute of Integrated Development, Nagpur
- Institute of Integrated Resource Management, Sonitpur
- Institute of Job Training in Actual Environment, Indore
- Institute of Journalism & Mass Communication, Agartala
- Institute of management & Information Technology, Gonda
- Institute of Marketing & Management, New Delhi
- Institute of Mass Education & Community Development, Allahabad
- Institute of Mathematics, Gurgaon
- Institute of Medical Technology, Secunderabad
- Institute of Natural Organic Agriculture, Pune
- Institute of Objective Studies, New Delhi
- Institute of Organic Farming & Rural Technologies, Pune
- Institute Of Paramedical Sciences, Nagpur
- Institute of Professional Management, Madhubani
- Institute of Professional Research, Nagpur
- Institute of Psychological & Educational Research, Kolkata
- Institute of Public Enterprise, Hyderabad
- Institute of Public Health & Hygiene, New Delhi
- Institute of Regional Analysis, Bhopal
- Institute of Rehabilitation Research & Education, Murshidabad
- Institute of Rehabilitation Science & Special Education, Tiruchirappalli
- Institute of Reproductive Medicine & Women’s Health, Chennai
- Institute of Resource Development & Social Management, Hyderabad
- Institute of Rural & Agriculture Development, Jaipur
- Institute of Rural Development & Health, Jaipur
- Institute Of Social Awareness And Reform-ISAR, Yavatmal
- Institute of Social Development (ISD), Kichha
- Institute of Social Research & Development, Bhopal
- Institute of Social Research and Development, Bhopal
- Institute of Social Service, Bardez
- Institute of Social Service, New Delhi
- Institute of Social Studies Trust, New Delhi
- Institute of Social Work, Kolkata
- Institute of Sustainable Development Environmental & Scientific Research, Churu
- Institution Builders, Navi Mumbai
- Institution For Community Development, Aurangabad
- Institution of Agricultural Technologists, Chitradurga
- INTACT (Integrated Action Trust), Tiruchirappalli
- Integral Rehab & Social Welfare Society, Kanpur
- Integrated Rural Development Society, Salem
- Integrated Community Action for Rural Development, Srikakulam
- Integrated Development Education & Agriculture Society, Daltonganj
- Integrated Development Foundation, Patna
- Integrated Development Society, Koraput
- Integrated Development Society, Kurnool
- Integrated Development Society, Thane
- Integrated Farmer & Women Development Organization, Chittoor
- Integrated Institute for Welfare Services (IIWS), Lucknow
- Integrated Institute of Rehabilitation for the Disabled Viklang Samekit Punarwas Sansthan, Agra
- Integrated Management Group, Lucknow
