6 Reasons Why Income Tax Refund Could Be Delayed
1. Last minute filing
2. Paper-based verification of ITR
3. Mistakes in the tax-filing
4. Mis-match with form 16 and 26AS
5. Incorrect bank account details
6. Not verifying online
However, if you do not get any status update, you may wait for at least two months before you act. "In case of a delay in the processing of ITR and refund, a taxpayer can submit a grievance through e-Nivaran Form under their e-filing account and seek a resolution from CPC-ITR under the grievance category 'Processing'