Hello student. Yes, you are eligible to give NEET exam.

The eligibility criteria for NEET exam is that student should be of age 17 years plus and should clear boards with the subjects biology, physics, chemistry as majors.

The minimum aggregate percentage should be

General 50 percent

PWD 45 percent

BC/SC/ST 40 percent

There is no upper age limit. So you can give neet exam if you satisfy these eligibility criteria.

since you have completed open inter in bipc,  you are eligible to write neet exam