As per my knowledge i will recommend you to strict with Sociology as it is going to be your last attempt so go with your subjects you studied before as i think it is not the right time to opt a new subject .

P.S Good luck buddy and thank you for motivating me after my failure in CE 2018.

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Logon Ki Zaroraton Ka Tum Se Wabasta Hona Tum Per ALLAH Ki Enyat Hai.