Hi friends, One of my client gets his books of accounts audited u/s 44AB before 30th september 2012 but failed to file the return within 30th september 2012 for F.Y 2011-12, A.Y 2012-13, Now he has told me to file the return within 31st March. His tax liability is aroundRs,22000/-, I think there is no penalty except interest u/s 234A,B,C....Please guide me whether there would be any penalty imposed on him or else what would be right couse of action....pls. help