You must score around 370 or more to get CSE in BITS ‘PILANI’ . Try to score maximum marks in PCM group,because you can never be 100%  sure for the answers of logical reasoning. If you feel confident about your english then you can take advantage of 15 questions of it. It will give you 45 marks(a great advantage if). Be cautious while attempting because you may feel you are giving right answers but it may be in vain.