Hii Upendra,

If your subjects are Physics ,Chemistry,Biology/Biotechnology.and you have passed with or above 50% then you are eligible.

eligibility percentage category deffer according to category-

 Unreserved-50%

SC/ST/OBS/Reserved PH-40%

Unreserved-45%.

 for more inforamation please go through the link-

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

hope you understand

thank you