NEET examination is based on CBSE BOARD’s physics, chemistry and biology subjects syllabus of xi and xii standard. We cannot cover whole syllabus of above subjects and of xi and xii standard within three months.
But if you are ready to do very hard work by planning it properly, then and then you must have to achieve more than 550 out of 750 marks. This scoring is of previous year exam.
Finally you can achieve it if you do hark work with proper planning and with proper guidance.
Getting success depends on you only.