particles resides within the boundary of CENBOL ([*middle panel*]{}) and within the outflow region ([*bottom panel*]{}), respectively. In this case, we have consider simulated data of $\sim 15$ sec. Fundamental QPO frequency is obtained in both the cases $\sim 2.9$ Hz. ](fig6a.eps "fig:"){width="45.00000%"} ![ [*Top panel*]{}: Fourier spectra of shock location variation at the disc equatorial plane for $\lambda_{\rm inj} = 1.61$ and $\alpha = 0.013$. The other parameters are same as Figure 1. Power spectra of bremsstrahlung flux variation calculated for SPH particles resides within the boundary of CENBOL ([*middle panel*]{}) and within the outflow region ([*bottom panel*]{}), respectively. In this case, we have consider simulated data of $\sim 15$ sec. Fundamental QPO frequency is obtained in both the cases $\sim 2.9$ Hz. ](fig6b.eps "fig:"){width="45.00000%"} ![ [*Top panel*]{}: Fourier spectra of shock location variation at the disc equatorial plane for $\lambda_{\rm inj} = 1.61$ and $\alpha = 0.013$. The other parameters are same as Figure 1. Power spectra of bremsstrahlung flux variation calculated for SPH particles resides within the boundary of CENBOL ([*middle panel*]{}) and within the outflow region ([*bottom panel*]{}), respectively. In this case, we have consider simulated data of $\sim 15$ sec. Fundamental QPO frequency is obtained 