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,

As  per our predictor at

With 131 marks

--------------------) your percentile will be around 94.82 - 96.96 considering  the  shift mentioned by you of moderately easy level paper as per the analysis by experts .

--------------------) Considering the worst case if we go with   94.82 percentile then your rank will be around 52991 - 59570

And obc rank around 16k

JEE mains 2021 expected qualifying  CUT OFF percentile to be eligible for jee advanced  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