Tips for study for ipcc may 2015

hii everyone how i study for ipcc may 2015 i gave 1st group of ipcc in nov 2014 but i still doubtful i may clear or not i want to study n due to lack of tym in nov 2014 i cant able to study properly ??? so plzzz kindly reccomend me how i study right from now ????? i still confused ???i want to study ryt but cant able??? so plzzzz reccomend me study tips????