@MuhammadAhmerSheikh, Probation period is for one year and it is a normal procedure in every government department either BPS or SPS, now I don't think so that SUPARCO collects a security report from SHO which is usually a useless report. In your pay package detail there would be a amount mentioned as "Total amount without subsidy" and I think so that would be your starting salary.

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A successful person is one who can lay a firm foundation with the bricks that other throw at him. (David Brink)