Brother,

If you have a very good academic record and a complete grip over this subject then I suggest you to opt this subject and go ahead and start preparation from today otherwise choose any other subject which u think would b easier for you to prepare. Don't waste your time now. Seniors plz guide,
regards

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Be shak, Main tery liye he jeeta hoon or tery liye he marta hoon.....!(Baba Fareed)
____________Punjab Police Zindabaad____________