Yes you are eligible if you score more than 50%aggregate marks in PCB category in 12th grade from recognised board.

Simply relax and study hard and focus on preparing. 

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

Hello Jabin,

For appearing in neet exam eligibility criteria is to qualify 10+2 exam from recognised board with subjects physics, chemistry and biology with 50% aggregate. 

And if you qualify this eligibility criteria than you are eligible for neet exam.

All the best.