one of my client paid Rs55,000/- towards selfassessment tax for the asst.2011-2012, but the banker treated as 2012-13 advance tax(as per 26as). my client have the evidence of paying the self assessment tax receipt for 2011-2012. now the CPC bangalore raised a demand of Rs. 55,000/- in asst u/sec 143 (1). how to rectify the problem? please help.