It seems that she earned the wrath of the present TN state govt and she was suspended for a while for some unreasonable reasons, though the state govt had no power to do so. Earning the wrath of a govt means that the officer must be too good and this appointment may be a good recognition.
BSF, CRPF, SSB, ITBP & CISF are Central Armed Police Forces (CAPF), In our country only one Paramilitary Force, ie Assam Rifles. Rediff pl check and correct.