give me details about marks vs percentile in jee 2021 how much marks required minimum to get nit of core branch please help

Hello there,
According to NTA, the marks vs percentile list is as follows:-
Score Percentile
-75to-20= 0.843517743614459-0.843517743614459
-19to-10= 0.84351774361445- 0.843517743614459
0 - 10= 0.843517743614459 - 9.69540662201048
11 - 20= 13.4958497103427 - 33.2291283360524
21 - 30= 37.6945295632834 - 56.5693109770195
31 - 40= 58.1514901857346 - 71.3020522957121
41 - 50= 73.2878087751462 - 80.9821538087469
51 - 60= 82.0160627661434 - 86.9079446541208
61 - 70= 87.5122250914779 - 90.7022005707394
71 - 80= 91.0721283110867 - 93.1529718505396
81 - 90= 93.4712312797351 - 94.7494792463808
91 - 100= 94.9985943180054 - 96.0648502433078
101 - 110 = 96.2045500677875 - 96.9782721725982
111 - 120 = 97.1429377776765 - 97.6856721385145
121 - 130= 97.8112608696124 - 98.2541321080562
131 - 140= 98.3174149345299 - 98.6669358629096
141 - 150 =98.7323896268267 - 98.9902969950969
151 - 160= 99.0286140409721 - 99.2397377073381
161 - 170= 99.272084675244 - 99.4312143898418
171 - 180= 99.4569399985455 - 99.573193698637
181 - 190= 99.5973996511304 - 99.6885790237511
191 - 200 =99.7108311325455 - 99.7824720681761
201 - 210 =99.7950635053476 - 99.845212160289
211 - 220= 99.8516164257469 - 99.8937326121479
221 - 230= 99.9011137994553 - 99.9289017987302
231 - 240= 99.9349804235716 - 99.9563641573886
241 - 250=99.9601632979145 - 99.9750342194015
250 - 262 =99.9772051568448 - 99.9888196721667
263 - 270 =99.9909906096101 - 99.9940299220308
271 - 280 =99.9946812032638 - 99.997394875068
300= 99.99989145

Here's a link for your further analysis
https://engineering.careers360.com/articles/jee-main-marks-vs-percentile
I'm also providing the link for college prediction.
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
For jee mains cut off trends and to know about cut offs for NITs, go through the below link
https://engineering.careers360.com/articles/jee-main-cutoff

Hope this helps!
Good luck!
Thank you.