Originally Posted by Malik Qamar Abbas Khokher

Speaking in general terms, you are right. But, selecting optional subjects while keeping in view the scoring trend of last three years really helps in getting good position in CSS. Usually, a positive or negative scoring trend continues for three years as this is the tenure for which an examiner is hired by the FPSC. From 40th to 200th position in final allocations of CSS, there is very little difference of marks and positions differ with even one or two numbers. Therefore, those aspirants who are eying at a group or service of their choice should be aware of scoring trends in optional subjects so that they may bet on the right horse. I hope I am able to convey my point of view.