Dear aspirant,

With 140 marks percentile would be around 98.7 and CRL Rank would be around 11800-12200.

this is according to :

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

Now with this CRL Rank and previous year trends obc rank would be around 2900-2500.

You can check all your options using these tools:

JEE Mains Rank predictor tool:

https://engineering.careers360.com/jee-main-rank-predictor/result

JEE Mains College Predictor  tool:

Hope this helps.