You can use the facility if -

a) You have a bank account with net-banking facility, and
b) Your bank is amongst the banks that provide the e- payment facility.

It is mandatory for the following types of assesses to pay tax online with effect from April 1,2008.

a) All the corporate assesses.
b) All assesses (other than company) to whom provisions of section 44AB of the Income Tax Act, 1961 are applicable.

In case your bank doesnot have an online payment facility or is not an authorized bank then you can make electronic payment of tax from the account of any other person who has an account with the authorized bank having online facility. However, the challan for making such payment must clearly indicate your Permanent Account Number (PAN).

You will have to check the net-banking webpage of your bank's website for this information.

Your Bank provides facility for re-generation of electronic challan counterfoil kindly check the Bank website; if not then you should contact your bank and request them for duplicate challan counterfoil.

You can verify the status of the challan in the "Challan Status Inquiry" at NSDL-TIN website after 5 to 7 days of making e-payment. In case of non availability of the challan status kindly contact your bank.

If encountered any error on e-tax website kindly contact TIN call centre at 020 - 27218080 or write to us at tininfo@nsdl.co.in (Please indicate the subject of the mail as Online Payment of Direct Tax).

Kindly contact TIN Call Centre at 020 - 27218080 or write to us at tininfo@nsdl.co.in (Please indicate the subject of the mail as Online Payment of Direct Tax).

If during the transaction, or after completing the transaction bank site encounters any error or gets disconnected before generating Taxpayer counterfoil, then instead of doing the same transaction again, kindly check your Account. If account has been debited, then contact your bank for regeneration of taxpayer counterfoil. Please note that, in the above case, do not make the same transaction again which results in account getting debited more than once for the same e-tax transaction.