Disability is a restriction or lack (resulting from impairment) of ability to perform an activity in the manner or within the range considered normal for a human being. 

The scope of rehabilitation of disabled in India covers Medical check-up, Use of artificial limbs, Use of crutches, Surgery, Nerve therapy, Exercises, Hospitalisation, Psychiatric analysis and Occupational rehabilitation. 

The various organisations providing services for rehabilitation of disabled in India are :

(a) Tuberculosis Association of India : Formed in 1939, this association offers expert advice and serves as a co-ordinating agency in standardising methods, promoting considerations and conferences. 

 (b) Indian Red Cross Society : Formed in 1920, it takes care of disabled servicemen, programmes for promotion of health and prevention of diseases. 

(c) All India Blind Relief Society : Formed in 1946, it co-ordinates various institutions working for blind person and organises eye donation camps. 

(d) Artificial Limbs Manufacturing Corporation : Formed in Kanpur, it has been providing artificial and additional limbs to disabled persons. 

(e) Bharat Sewak Samaj : Formed in 1952, it helps people to achieve health by making them health conscious. 

(f) Indian Medical Association : It is a registered body of doctors which suggests various schemes for development of health of people. 

(g) Asha Niketan Rehabilitation Centre : Formed in 1960, it is an institution for deaf and mentally retarded children and has established many hospitals and physiotherapy centres across India.