You can claim deduction as per following conditions . 1) Disability is as per section 2 (I) of person disability act . 2) Handicap Dependent should not claim deduction under 80U 3) Disability should not be less than 40% 4) Deduction of Rs 75000/- if disability is more than 40% and less than 80% 5) Deduction of Rs 125000/- if disability is more than 80 % .