Perforated bluff body wake dynamics are distinctly different from those of non-perforated bluff bodies such as square and circular cylinders, normal flat plates etc. From existing literature on bluff body flows, the behaviour of wake is fairly well understood. While the earliest studies on perforated bluff body wakes date back to the experiments performed by Castro1971, the literature exploring this phenomenon is relatively insufficient. Flow over perforated bluff bodies are characterised by interaction between ``bleed'' flow from the holes and the shear layers. Here, the ``bleed'' flow pushes the shear layer roll-up farther downstream. In the current study, the effect of change in orientation of holes on the wake dynamics of perforated plate placed normal to the flow stream at Reynolds number 250 is examined. Two cases of square and diamond-shaped orientations with a porosity of 9% are considered. Here, porosity is defined as the ratio of open area to total plate area. It is observed that the stabilizing effect of perforations is reduced from square hole to diamond hole case due to variable cross-section of the perforation in the spanwise and streamwise directions. Vortex and kinetic energy visualizations are presented to analyse the spatial features of the jet-wake features along with spectral plots to study the temporal behavior of the flow. The temporal evolution of the flow is analyzed by signal trace plots and Fast Fourier Transforms. The spatio-temporal characteristics of the bleed flow were studied to show the differential behavior of the jet due to change of perforation orientation. Mean primary and secondary flow features also displayed differential behaviour.