Hello.

The candidate must have passed in the subjects of Physics, Chemistry, Biology/Bio-technology and English individually and must have obtained a minimum of 50% marks taken together in Physics, Chemistry and Biology/ Bio-technology at the qualifying examination. 
For candidates belonging to Scheduled Caste/Scheduled Tribes or Other Backward Classes, the marks obtained in Physics, Chemistry and Biology/Bio-technology taken together in qualifying examination must be minimum 40% instead of 50% for General candidates. Further, for persons for locomotor disability of lower limbs, the minimum of 45% marks for General-PH and 40% marks for SC-PH/ST-PH/OBC-PH are required.
So rest relevant eligibility criteria you can check below:
NEET Eligibility Criteria
Also how much you need to qualify IN neet exam is above 550 to get into decent mbbs colleges.

For further information

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

Hope this is helpful.
All the best!