Swiss Emmaus Leprosy Relief Work India (SEI) is a secular non-profit development International organization with a nationwide presence that provide the technical and managerial assistance to projects that have been established over many years to improve the lives of the people affected by leprosy and other poverty related diseases, through social and medical rehabilitation.

Swiss Emmaus Leprosy Relief Work India started its work in India in 1960 and initially worked to eliminate leprosy as a public health problem. For over 58 years, SEI has dedicated itself to improving the lives of people affected by leprosy and other poverty related diseases through social and medical rehabilitation.

Swiss Emmaus Leprosy Relief Work India (SEI) is registered as a public charitable trust registration No: 254/92, Dt: 12.02.1992. SEI is also registered by Registration of Trade Mark, section 23 (2), Rule 62 (1), Trade Mark No: 1757777, dated: 25/11/2008, NITI Aayog regd: TN/2017/0174763.