Short answer: Finish the syllabus first, then revise in cycles and practise full papers regularly.
Month one
Complete remaining syllabus and clear doubts.
Month two
Revise subject by subject with chapter tests.
Month three
Full papers, error log review and light revision.
Frequently asked questions
Is this fixed?
No, adjust it to your own pace.
What if I fall behind?
Drop optional topics and protect revision time.