Hello Shivam,

Yes, you will be eligible. Actually, the thing is that, if you appear for improvement in one or more subjects but not all subjects then the percentile marks of their original passing year will be considered and if you appear for improvement in all subjects then the percentile marks of the present session will be considered.

For more information, you may visit the link given below

https://engineering.careers360.com/articles/jee-main-eligibility-criteria

(see the section "Details about Improvement Examination")

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All the best.