Hi Ankur.
The official cutoff of JEE Mains 2020 will be released along with the final results after the April JEE Mains. The NTA will announce category wise cutoffs then. But you can still check your estimated rank using the formula (100-your total percentile)*869010/100. So with this percentile, your estimated All India rank will be around 1,59,000. Now, if the candidates appearing in April's JEE Mains increase, then your rank would increase too.
With this rank in JEE Mains 2020, even with your Home state and EWS Quota, you will unfortunately not be able to get a seat in Thapar University's CSE Branch, so prepare well for April's JEE Mains.
For knowing more about the colleges you can get, check out our college predictor -
JEE Main College Predictor – Know your College Admission Chances Based ...
All the best.
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