Hi Buddy,

I'll try to give you details of the cutoff in particular university through some usefull links,

For DTU Cutoff

https://www.careers360.com/university/delhi-technological-university-delhi/cut-off?college_id=97&exam_sub_exam_id=2&gender_id=1&counselling_id=524&category_of_admission_id=2&caste_id=2

NSUT Cutoff

https://www.careers360.com/university/netaji-subhas-university-of-technology-new-delhi/cut-off?college_id=3653&exam_sub_exam_id=2&gender_id=1&counselling_id=524&category_of_admission_id=2&caste_id=2

IIIT Delhi

https://www.careers360.com/university/indraprastha-institute-of-information-technology-delhi/cut-off?college_id=225&exam_sub_exam_id=2&gender_id=1&counselling_id=524&category_of_admission_id=2&caste_id=2

These cutoffs are based on ranks, For getting approximate marks to get these ranks refer :

JEE Main Marks Vs Ranks 2020

Marks JEE Main Rank

-75 - -20    1074300 - 1071804

-19 - -10    1071460 - 1058151

0 - 10            991222 - 831941

11 - 20        796929 - 615134

21 - 30        573996 - 400110

31 - 40        385534 - 264383

41 - 50        246089 - 175204

51 - 60        165679 - 120612

61 - 70        115045 - 85657

71 - 80        82249 - 63079

81 - 90        60147 - 48371

91 - 100    46076 - 36253

101 - 110    34966 - 27838

111 - 120    26321 - 21321

121 - 130    20164 - 16084

131 - 140    15501 - 12281

141 - 150    11678 - 9302

151 - 160    8949 - 7004

161 - 170    6706 - 5240

171 - 180    5003 - 3932

181 - 190    3709 - 2869

191 - 200    2664 - 2004

201 - 210    1888 - 1426

211 - 220    1367 - 979

221 - 230    911 - 655

231 - 240    599 - 402

241 - 250    367 - 230

250 - 262    210 - 103

263 - 270    83 - 55

271 - 280    49 - 24

300              1

I Hope you'll get all details you require, Please comment below if you have any further queries.

Thank you!.