CPC has set up a customer support helpline, a limited call centre facility at ITD-CPC, Bangalore, for enquiries about ITR-V Receipt Status, Refund/Refund re-issue, Rectification, Income tax/PAN/TAN, e-Filing of returns, e-Filing Login, Form 26AS, and Form 16. Taxpayer enquiries will be answered by the CPC in Bangalore from 8:00 AM to 8:00 PM. The language options for the service include Hindi, English, and Kannada. 1800 180 1961 is the toll-free number that taxpayers can use to contact it.