DOUBT IN CST (CENTRAL SALES TAX)

HI TO ALL.I HAVE A DOUBT IN CST...I AM PE-II STUDENT...I HAVE A CST BOOK WHICH IS RELEVANT FOR A.Y.-08-09...DUE TO CST BEING OMITTED IN PCC COURSE..I AM NOT ABLE TO FIND REVISED CST BOOK FOR A.Y. 09-10...CAN ANYONE PLS TELL WHETHER I CAN USE A.Y.-08-09 BOOK FOR CST...??? IF THERE ANY CHANGES IN A.Y.09-10 FOR CST WHAT ARE THOSE...??PLS REPLY URGENTLY .....AS TIME IS RUNNING OUT...?