Hello Dhana,
Don't worry you will get fees reimbursement if you are eligible for it. If your parents are working in Government sector only then you won't be eligible. No problem with the pension your mother is getting and it is totally different thing from fees reimbursement thing.
You can apply for fees reimbursement if you are eligible by providing all the necessary documents.
I hope this information was useful.
All The Best!!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile