244a int. on refund amount a.y.2010-11

as per itr tax paid 81lacs and refund claimed 25lacs further 143(3) addition made rs. 13lacs and redund determined 5.5 lacs the refund amt is less than tax payable in such case int. 244a is applicable or not (the assesee filed original return and revised return by 13lac less than original and ao assess revised return and made addition of 13 lacs as per original return)
vetern please guide
@ #rambhaiya
#dhiraj