To claim deduction under section 80DD for a disabled family member who is a dependant, please slide the checkbox, under the title "Maintenance expenditure for a disabled dependent under section 80DD."
You can enter the total amount (in Rs) for the year. The amount can have a maximum of two decimal places. Please scroll through the respective cells to update the details and click on the 
icon on this screen for help.
If the disease -- expenditure on treatment for which an exemption is claimed -- is a "severe" disability according to the Indian tax law, then select the check box below the table. Once you click the checkbox, you will see an option "Severe disability." Please click the appropriate option -- "Yes" or "No."
Proof Submission for Maintenance Expenditure for a Disabled Dependant
The details of the required proof and guidelines are given below for your ready reference.
Section 80DD | Proof to be submitted | Guidelines |
Deduction for Medical Treatment of a Dependent with Disability | Photocopy of certificate** issued by the competent medical authority, with a self-declaration, certifying amount spent on treatment | Where the condition of disability requires reassessment, a fresh certificate is to be obtained after its expiry, to continue claiming the deduction |