Clearing the CA Foundation | CA CPT in 20 days is definitely a difficult task but not impossible. You can clear the CA Foundation | CA CPT in 20 days if you pay full concentration to your studies. You should concentrate more on the subjects that you have done in 12th class. You might already be knowing most of the Accounts and Maths/Economics if you have taken Commerce in 12th. You should pay more concentration to these subjects and the others you should try to do so much that you can get passing marks in those subjects. Try to keep studying the whole day so that you can complete syllabus on time. Stay away from the virtual world and just concentrate on studies only then you will be able to clear the CA Foundation | CA CPT exam by studying for just 20 days.