Dear aspirant,

If you are scoring 120 marks in JEE main then your percentile must be between 97.81-98.25. So, your rank will be around 20164 - 16084.

Previous year DTU JEE-Main cut-off 2020

B.Tech Mathematics and Computing                     0-86410   for home state OBC

Seat matrix of Mathematics and Computing  for Delhi Region is 127 seats and Outside Delhi Region is 23 seats.

DTU is very good university. It has good infrastructure and placements. More than 80% students were placed in campus placement. Top recruiter of this college are Google, Amazon, Apple, Flipkart,  Microsoft IDC, Samsung, Reliance Jio, etc. In 2018, the highest placement offer was 1.2 Crores per annum. The average package was 10 LPA.   The lowest package offered was 3.2 LPA .

You can check the rank vs percentile vs marks :- https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

Best wishes for exam :)