What are the working hours of CPC? myITreturn Helpdesk March 21, 2022 07:34 Updated Taxpayers can contact CPC from 8:00 am to 8:00 pm from Monday to Friday and 9:00 am to 6:00 pm on Saturday. Related articles My refund is still not processed. How do I escalate this? Refund Re-issue Request Check your Income-tax return processing status "Assessee wants to know email id for CPC? " How to deal with Defective Return Notice under section 139(9)? Comments 0 comments Please sign in to leave a comment.