- Mayurakshi Janakalyan Society, Kolkatta
- Mayurbhanj Joint Citizen Centre, Kolkata
- MBR – Mayurbhanj Biological Research, Mayubhanj
- MCAS, Bangalore
- MCB – Missing Child Bureau Karnataka, Bangalore
- MCCR – Mission for Child Care & Research, Kolkata
- McLevy Institute of Development Services, Chennai
- MD Educational & Cultural Society, Chittoor
- MDA – Madras Dyslexia Association, Chennai
- Mdhws Orphans Home Ngo, Peddapally
- MDSERVICES, New Delhi
- Medara Sankshema Sangam, Secunderabad
- Media for Justice, Indore
- Media Intelligence Network, Navi Mumbai
- Media International, Bangalore
- Media Management Group for Literacy & Development, New Delhi
- Media Matters- A Centre for Development Support Communication, Mumbai
- Media Watch India, Secunderabad
- Mediator, Pune
- Medical & Social Service, Ranchi
- Medical Counsellings Centre Mother, Bhopal
- Medical Educational & Social Awareness for People Trust, Theni
- Medicinal Plant Research Institute, Dehradun
- Medico Pastoral Association, Bangalore
- Medico Social Centre, Bangalore
- Mediworld Educational Society, Delhi
- Medpat Shiksha Samiti, Udaipur
- MEEKOSAM, Hyderabad
- Meenakshi Educational Society, Kurnool
- Meenakshi Mission Hospital & Research Centre, Madurai
- Meenakshi Welfare Society, Sagar
- Meera Foundation, Madurai
- Meera Sanwariya Sansthan, Chittorgarh
- Meere Te Peere Charitable Society, Haridwar
- Meesco Mission For Education Employment Social Cultural Organization, Sangareddy
- Meet Trust – Mahatma Ecological and Education Trust, Madurai
- Mega International, Patna
- Megga Living Foundation, Hyderabad
- Megh-The Saviour, Jaipur
- Meghna Charitable Trust, Bhubaneswar
- Mehdawal Gramodyog Evam Prashikchan Sansthan, Sant Kabir Nagar
- Mehta Creative Charity (National)NGO, New Delhi
- MEKA Trust, Chennai
- Melghat Development Society, Paratwada
- Melghat Foundation, Amravati
- MelJol, Mumbai
- Melvisharam Muslim Education Society, Vellore
- Memari Software Computer Training Centre, Bardhaman
- Men & Strrugle, Kamrup
- Men Against Violence and Abuse, Mumbai
