Hello aspirant

If you have got 54 marks in chemistry,  you are qualified but your score in physics and biology should be minimum 50% marks.

Neet eligibility criteria

The candidate must have passed class xii with minimum 50% marks in physics,  chemistry and biology as main subjects and English subject is also mandatory .

Neet qualifying marks for general category candidate are 50 percentile

It is 40  percentile For sc and st category.

For pwd , ebc - 45 percentile

For neet preps you may take help from  knock out pages

https://learn.careers360.com/knockout-neet-may/