Explanation:

- The International Gandhi Peace Award is given to organizations or individuals for their contributions to social, economic, or political transformation through non-violent and Gandhian methods.

- Ekal Abhiyan Trust: Focuses on improving education in rural and tribal India. Not directly known for sanitation efforts.

- Sulabh International: Known for improving sanitation in India and working towards the emancipation of manual scavengers. Founded by Dr. Bindeshwar Pathak, it promotes human rights and environmental sanitation.

- Vivekananda Kendra: Focuses on education, culture, and rural development based on Swami Vivekananda's teachings.

- Akshaya Patra Foundation: Primarily known for its mid-day meal programs to improve child education and nutrition.