Dear student,
To take admission in B.Com in any government or private university in India, you will need to submit the following proof to get admission on Person with Disability (PWD) quota.
Disability Certificate which:
~Must be issued by a duly constituted and recognized Medical Board or a competent authority as per the guidelines of the Government of India
~It should state the type of disability and the percentage of disability. The benchmark disability (usually defined as 40% or more of the specified disability)
Do note that this is over and above the regular documentation that ALL students will have to submit, inlcuding you. They include: Proof of Identity and Address, Academic Qualification Documents, Application Form, Passport-size Photographs etc.