Hii Jagdish.Hope you are doing good.Dear firstly let me tell you about preparation methodology.Plan 6 days a week.Definitely take a break on Sunday.You have 3 major subjects and 6 days in a week.So plan accordingly 2 days for a subject.Firstly list all the topics and start.then coming to the books,any organization books or reference books are good.Generally different topics are better in different books,so decide accordingly.Hope this helps you.If you have any queries please feel free to ask