How to prepare ca ipcc old syllabus both group in 5 months

Respected Sir / Madam;

                                       I wrote 3 attempts ca ipcc . Attempts were group 1 nov 2015, group 1 nov 2017,group 2 may 2018. I cant clear ca ipcc exam because did'nt prepared and in between articleship. How can prepare ca ipcc both group together in nov 2018 attempt after 3 failures. articleship yet to complete in july 2018.