ITR refund status: Steps to check your refund online at Income Tax new portal
Taxpayers should note that if you didn't respond to the I-T department's communication or message regarding a defective return, then the ITR filed will not be processed and be treated as invalid.

Income tax refund status: A taxpayer can track the income tax refund status on the new income tax portal. Pic: Reuters/https://twitter.com/IncomeTaxIndia