Please help its urgent

Nidhi (Chartered Accountant) (59 Points)

18 April 2011  

Assessee paid TDS for Quarter IV 2010-11 that is Jan11 To March 11 but while making online payment  Assessment year 2012-13 was entered instead of 2011-12. Please tell me how it can be rectified? Its urgent because if payment has to be made again Assessee will have to pay interest also.