“Refund” in general terms, means “repayment of a sum of money”. “Income tax E-Refund” is issued by the Income Tax Department for excess tax paid by a taxpayer. It is paid directly into the bank account of the taxpayer by electronic mode and hence it is called “E-refund”.
When can you claim income tax refund?
In case you have paid excess tax in the form of:
(i) Advance tax or Self assessment tax;
(ii) TDS (Tax Deducted at Source) or TCS (Tax Collected at Source).
Read More :- What is Income Tax Refund? How to claim it? 