- KARTAVAYA, Dhanbad
- Kartavya Janhit Foundation, New Delhi
- Kartavya Welfare Organisation, Katihar
- Kartavya, Dhanbad
- Kartik Pradhumn Samajik Seva Samiti, Shajapur
- Kartvya Seva Samiti, Jaipur
- Karuna Animal Welfare Association of Karnataka, Bangalore
- Karuna Bharat, Nagpur
- Karuna Educational Society, Prakasam
- Karuna Karya, Chennai
- Karuna Nilayam, Vizinagaram
- Karuna Pranimatra Sewa Sangh, Hisar
- Karuna Sai Welfare Society, New Delhi
- Karuna Sankshema Sangam, Warangal
- Karuna Shanti Bahuddeshiya Shikshan Sanstha, Nagpur
- KARUNA, Bhubaneswar
- Karunadu Education & Social Service Orgnisation, Dharwad
- Karunai Educational Trust, Cuddalore
- Karunai Social Welfare Trust, Villupuram
- Karunai Trust, Trichy
- Karunaii Trust, Chennai
- Karunalaya Foundation, Villupuram
- Karunalaya Social Service Society, Chennai
- Karunalaya Trust, Chennai
- Karunya Charitable trust, Tadepalligudem
- Karunya Educational Society, East Godavari
- Karunya Integrated Rural Development Society, Kurnool
- Karunya Trust, Mumbai
- Karve Institute of Social Service, Pune
- KARWAN, Patna
- Kasba Dweep Welfare Society, Kolkata
- Kashi & Laxmi Trust , Navi Mumbai
- Kashi Darshan Research Foundation, Varanasi
- Kashi Sewa Sadan Samiti, Chandauli
- Kashinagar Everest Seva Samiti, Mathurapur
- Kashinath Mondal Memorial Welfare Society, Kolkata
- Kashish Sewa Sanstha, Sri Ganaganagar
- Kashmir Charitable Trust, Budgam
- Kashmir Educational Paradise Trust, Srinagar
- Kashmir Humanity Foundation, Baramulla
- Kashmir Public School Upper Barji New Theed Harwan, Srinager
- Kashmir Welfare Mission Charitable Trust, Srinagar
- Kashyap Nishad Vikash Manch, Delhi
- Kasturba Gandhi National Memorial Trust, Indore
- Kasturba Jan Jagran Samiti, Hazaribagh
- Kasturba Mahila Shiksha Samiti, Jaipur
- Kasturba Mahila Shilp Kala Kendra, Rohtas
- Kasturba Mahila Vikas Kalyan Samiti, Patna
- Kasturi Bai Mahila Samiti, Sundargarh
- Kasturi Samajik Sanstha, Sarguja
