need help in sapcertification abap/4

hi,

suggest me in preparing sap certificatin in abap.

provide me links and material were i can get good stuff in prepareing sap exam.iwant to write my exam in october where sap is conduting exam in bangalore india.

is this two months enough to write a certification exam

in abap. if so give some suggestions .i will be very thankfull to u.

byeee