Hi

This is a bit difficult to predict as your marks vs percentile vs rank in JEE main depends upon a number of factors like

>>>> number of students that appeared in the  jee main exam,

>>>>kind of marks obtained by them ,

>>>>toughness level of the jee main examination for different shift etc.

But yes,

With 120   marks

• Your  Percentile will be around 95.18 - 96.96 and if we go with 95.18 then your rank will around 49309 - 55430 as per our predictor at

  JEE Main Rank Predictor 2021 - Predict your JEE Main ...

  JEE Main Rank Predictor - Know your expected IIT JEE Main 2021 Rank by ...

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To help you further,

JEE mains 2021 expected qualifying  CUT OFF percentile  is given below for different categories on the basis of past year trends :

Category                  jee  main 2021 expected off percentile

---) General :-                         90-95

---) GEN-EWS :-                      70 -75

---) OBC-NCL :-                        70 -75

---) SC     :-                                  50 -55

---) ST :-                                       40 - 45

---) PwD :-                                       1- 2

You can check the same at our page the link is provided below

https://engineering.careers360.com/articles/jee-main-cutoff

To help you get  the complete list of colleges that you can get , we have JEE main college predictor ,the link for which is provided below::

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Thankyou