Cut offs depend upon rank, which varies with courses and colleges.

For MNIT Jaipur, for branches like Computer Science, Electronics and Communication and Mechanical Engineering, the cut offs are below (please keep in mind that these are trends based on previous year cut offs, not exact cut offs):

Course                                 Category                               Opening Rank                           Closing Rank

Computer Science                 General                                  2034                                        4879

OBC                                       1187                                        1892

SC                                         652                                          846

ST                                         297                                          591

Electronics and                     Gen                                       4578                                         8783

communication                     OBC                                      2173                                         3333

SC                                        1547                                         1974

ST                                         651                                           694

You can refer to the below link to calculate your rank based on percentile:

https://engineering.careers360.com/articles/how-calculate-jee-main-2019-rank-based-on-nta-percentile-score

If you want to look into more cut-offs , you can refer to the below link:

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

Hope this helped. Good luck.