After completeing the whole syllabus along with chapter wise questions. You have to attempt at least 5 Full Mocks and at least in 2 you should score above 70%.  Please note, after each mock, you have to share your score with Mr. Shriram to update him on your progress. Also, you have to analyze properly your all the mocks before you jump to another full mock. Based on your performance on Mocks, Mr. Shriram will give you the go ahead for the final exam.