Bharat Sevak Samaj is a development organization established in 1951 by the Planning Commission of India to promote voluntary service and build economic strength. It was founded on the recommendations of Pandit Nehru and aims to utilize unused resources for social and economic development. Membership is open to anyone over 18 who can volunteer at least two hours per week. The organization has a central head board and branches across states, districts, blocks and villages. It conducts training programs and works in areas like public awareness, social welfare, slum improvement and family planning.