To get 40 marks in gate you need to refer past exam question papers. Practice and solve questions from past 20 to 25 years question papers. Focus on your strengths try to avoid new topics as they may kill your precious time.take mock test daily especially section like g.a and maths both are scoring subject but it needs practice.

With a disciplined approach and effective use of resources, you can maximize your chances of scoring above 40 marks in the GATE CSE exam. Stay focused, practice consistently, and believe in your preparation! Good luck!