Hi Shanmugam,
You can query the sysobjects table directly by issuing:
select name from sysobjects where type = 'U' and (sysstat2 & 1024) = 1024
More details about the table:
http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc36274.1570/html/tables/X14933.htm
HTH,
Adam