Indian Railways grant concession to four categories of disabled persons in extreme cases i.e.
(i) Orthopedically Handicapped/Paraplegic persons who cannot travel without escort
(ii) Mentally Retarded persons who cannot travel without escort
(iii) Completely Blind persons travelling alone or with escort and
(iv) Totally Deaf and Dumb persons (both afflictions together in the same person) travelling alone or with escort. One escort is also granted same concession. Concessions are granted at stations on surrendering the copy of prescribed disability certificate.
No age limit has been prescribed for eligibility of concession in the case of disabled persons. Indian Railways grant concessions to disabled persons on production of prescribed disability certificate irrespective of age.