STATUTORY CATEGORIES OF IMPAIRMENT LABELS OF SPECIAL EDUCATIONAL NEEDS 1886 - 1998
| 1886 | 1899 | 1913 | 1945 | 1970 | Post 1981 |
|---|---|---|---|---|---|
| Idiot | Idiot | Idiot | Severely Subnormal (SSN) | Severe Learning Difficulty (SLD) | SLD / PMLD - Profound & Multiple LD |
| Imbecile | Imbecile | Imbecile Moral Imbecile | |||
| Blind | Blind | Blind | Blind | Sensory Impairment | |
| Deaf | Deaf | Deaf -Partially Deaf | Deaf -Partially Deaf | Sensory Impairment | |
| Epileptic | Epileptic | Epileptic | Epileptic | MLD | |
| Defective | Mental Defective(feeble-minded) | Educationally Sub-Normal(ESN) | ESN | MLD-Moderate Learning Difficulty | |
| Maladjusted | Maladjusted | EBD-Autistic | |||
| Physical defective | Physically handicapped | Physically disabled | Physically disabled | ||
| Speech defect | Speech defect | Speech difficulty | Delicate | Delicate | |
| Diabetic | Diabetic |