Can I prepare for mat may from Jan. start as my reappear exams are pending and I will give them in December so is there will be enough time
It's up to you How much time you give in per day. Try to give minimum 3 to 4 hours per day. And i belive that time is enough for you which you have given in your question.
Try to do work hard till December you can prepare very well. and try to take some secoundary date also who to prepare some of the trick is also there please follow them.
ALL THE BEST.
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