One of my acquaintances appeared in examination , after the paper of essay he considered himself failed , with broken heart he took papers sometimes leaving a question or two . But to see his result he was shocked . He scored 599 , he still says had i attempted a single question more in any paper i would have been selected , had i missed not a single mcq's ( because he started ticking them without thinking ) .
Dear , my piece of advice is to take the exam and forget it . C.S.S is just part of life , if achieved ,better, if not there are many avenues which are open for everybody .
Regards........................

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ONe thing i know is " i Know nothing "