As per the eligibility to apply for NEET Entrance Exam you should have minimum 50% PCB aggregate score in class 12th & 40% as a reserved category.

The Age limit- A candidate as a general category should not be more than 25 & reserved category should not be more than 30 years. You can check the further information with the given below link.

https://medicine.careers360.com/articles/neet-eligibility-criteria

Good Luck!