I have got 72 marks in my 12 (haryana board ) examination and total 89.6% I want to give improvement paper of maths only can I give jee 2019
However for admission into JEE mains, your aggregate score should be nore than 75% across PCM category.
You can also be in top20 percentile in Haryana board.
For SC and ST category, this criteria is relaxed to 65%.
So if you meet above criteria you dont need to appear for improvement exams and simply apply using jee2018 scores.
Else youcan reappaear in 2019 for JEE Main.
https://engineering.careers360.com/articles/jee-main-eligibility-criteria

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