Past year tax related problem

rashi bajpai (nil) (41 Points)

27 November 2011  

while filling return for AY 2007-2008 i claimed for refund... bt few months bac on 15-10-2011 received a letter form assistant commissioner that i m obliged to pay tax arrear of rupees 2264.. please help me how to proceed..wht  should i do now.