Usually 2-4 weeks after processing, but it can vary based on bank validation status and the complexity of the return.

If your refund fails due to incorrect bank details or PAN-Aadhaar mismatch, you must raise a Refund Reissue request on the e-filing portal.

The Income Tax Department can use your current refund to pay off unpaid tax demands from previous years under Section 245.

You can check it on the NSDL website or the e-filing portal using your PAN and the relevant Assessment Year.

Yes, if the refund is more than 10% of the tax paid, you are entitled to interest at 0.5% per month under Section 244A.