plz plz reply

i have given the last two cpt attemts bt failed to clear both of them .. i score 81 in june2010 and 93 in july online2010.. i realy don't know what went wrong.. can someone guide me on how to study n all.. i really need help because my parents are  unhappy about the result especially my father an d i really dont want to hurt him... i really need to clear my cpt this tym.. someone plz guide me