Coaching required for ca final?

Is coaching required for ca final new course?if yes,then which are best faculties in delhi for each subject?if no, then please tell me the books for each subject?my attempt is in may 2019 and i will convert into new syllabus,i have cleared cpt in 2007 and pcc in 2012..what is this elective paper?which subject is easiest in this elective paper?please help