The bank or lending institution may only accept your application if you apply for a mortgage but provide the required paperwork, such as your ITR. The itr filing online is the best solution for requesting a Loan.Individuals and companies who file their ITRs in time avoid penalties. If you fail to submit your ITR by the due date, a late fee of up INR 5,000 can be charged. This is on top of the interest that may be charged by law. Register for Online ITR filing to avoid penalties.