According to previous years cut off analysis you have no-meagre chances of getting cs at pes, pes university cs branch faces a very stiff competition , cut off rank for pes goes upto 800 generally for round 1 and for round 2 it extends max to max upto 900-1000 so there might not be chances of getting cs although you can probably get civil, biotech (cut off rank goes b/w 2500-3500)with this rank