Ca final idt self study or coaching- urgent

I Have classes of tharun raj sir,mt educre.. Class duration is 90hrs approx. Is it good option to listen to class at this point ?? i listened for 7 hours. sir is covering main concept, main case laws..and there are extra case laws and faq's in his material which are not being discussed in class. 

i listened for 7hrs,it took me to revise 3hrs- basic concepts in excise. (only from his material). I could not cover practice manual. My friend is saying me to opt for self study- his opinion is we can cover complete subject reading with revision within 100hours. I am confused. 

I am not habituated to self study, i prefer coaching. But because of less time and i have to cover other sub too- i m confused. Please help me

do not go for self study. u have classes of raj sir. give 2hrs per day in listening class so in that way u will complete your syllabus in mid april and the topic not covered in class read it side by side.purchase the latest practice manual and read it also side by side according to class.practice manual is very easy.read service tax full from practice manual but for custom and excise just see the practical questions.