Sec 244-A (Interest payable to assessee)

My Question is related to section 244-A : Q. Assessee has received refund of Rs.23853 for A.Y. 2008-09 , Date of Assessment Order is 05/12/09, details of tax deposited are:- 1.Advance Tax Rs.22000=00 and (payments are made on time) 2.TDS Rs. 1853=00. (His Tax liability for A.Y. 2008-09 is NIL, Return of Income has been filed before the due date) A.O. has given Interst U/s-244A of Rs.200=00 (as per Asstt. Order) 1) Whether Interest given by A.O. U/s-244A is Correct? And 2) If A.O. is wrong What is the remedy ?