Dear Aspirant,
NTA Score means percentile that you have achieved in JEE Mains.
54 NTA Score means 54 Percentile.
54 percentile means 54 % of students appearing for exam have scored equal to or less than you in JEE Mains .
Find more about this here:
https://engineering.careers360.com/articles/jee-main-result#JEE-Main-Result-2021--Percentile-Calculation
JEE Mains College predictor tool:
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
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