As per Census 2011, there are 15, 05,624 Mentally Retarded persons in the Country. State-wise population of mentally retarded persons is:
| S. No. | State | Mental Retardation |
| 1 | Andhra Pradesh | 132380 |
| 2 | Arunachal Pradesh | 1264 |
| 3 | Assam | 26374 |
| 4 | Bihar | 89251 |
| 5 | Chhattisgarh | 33171 |
| 6 | Delhi | 16338 |
| 7 | Goa | 1817 |
| 8 | Gujarat | 66393 |
| 9 | Haryana | 30070 |
| 10 | Himachal Pradesh | 8986 |
| 11 | J&K | 16724 |
| 12 | Jharkhand | 37458 |
| 13 | Karnataka | 93974 |
| 14 | Kerala | 65709 |
| 15 | Madhya Pradesh | 77803 |
| 16 | Maharashtra | 160209 |
| 17 | Manipur | 4506 |
| 18 | Mizoram | 1585 |
| 19 | Meghalaya | 2332 |
| 20 | Nagaland | 1250 |
| 21 | Odisha | 72399 |
| 22 | Punjab | 45070 |
| 23 | Rajasthan | 81389 |
| 24 | Sikkim | 516 |
| 25 | Tamil Nadu | 100847 |
| 26 | Tripura | 4307 |
| 27 | Uttar Pradesh | 181342 |
| 28 | Uttarakhand | 11450 |
| 29 | West Bengal | 136523 |
| 30 | A&N Islands | 294 |
| 31 | Chandigarh | 1090 |
| 32 | Daman & Diu | 176 |
| 33 | D& N Haveli | 180 |
| 34 | Lakshadweep | 112 |
| 35 | Puducherry | 2335 |
| Total | 1505624 |
As per the provisions of the Persons with Disabilities (Equal Opportunities, Protection of Rights & Full Participation) Act, 1995, the State Governments are mandated to develop schemes/programmes for education, rehabilitation, social security, health care of Persons with disabilities including mentally retarded persons. The State Governments have been advised to frame suitable schemes exclusively to take care of homeless mentally retarded persons.
This information was given by the Minister of State for Social Justice and Empowerment, Shri Krishan Pal Gurjar in a written reply to a question in Lok Sabha here today.
