Tds late filing

kumar Rahul (account Student) (160 Points)

03 February 2014  
respected, i am new to forum.recently our department got notice from income tax department for late filing of tds q2,tds q3, tds q4 return for fy 2012-13.we were nt aware of rules,but we have submited the tax through book entry on time.kindly help to avoid late fee charges?