transmission through the cavity is split into two peaks when atoms are present in the cavity. This effect is called VRS and is a well-known phenomenon [@thompson_observation_1992; @agarwal_spectroscopy_1998; @hernandez_vacuum_2007]. Fig. \[fano\](c) is a measurement of such a split for which the MOT lasers were switched off, and all the atoms were in the ground state [@ray_temperature_2013]. Here, if the cavity resonance frequency is matched with the atomic frequency we see a symmetric splitting on the red and the blue side of the atomic resonance. However, if the cavity resonance is blue (red) detuned with respect to the atomic frequency the blue (red) detuned VRS peak is bigger than red (blue) detuned one [@agarwal_spectroscopy_1998] and blue (red) peak shifts away (towards) from atomic frequency. However, when the drive laser with a frequency different from atomic transition is switched on, symmetry is broken because of unequal gain and loss. Fig. \[fano\](d,e,f) shows such a scenario. For Fig. \[fano\](d), when the MOT drive lasers are present, the frequency spectrum remains unchanged, but the heights are completely different, indicating an unequal total loss. The drive (MOT cooling laser) is to the red side of atomic frequency. For Fig. \[fano\](e) even though the cavity resonance 