Hello,
It is difficult to get the exact marks as in JEE main only percentile score is released. But based on the previous year marks vs rank stats, it is expected that with 2500 OBC rank, your total marks in JEE main was around 120-130.
To know about this year's remaining phases of JEE Main, check the link below
https://engineering.careers360.com/articles/nta-jee-main
good luck!
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