Hello,

With 75 marks in physics chem maths in comedk uget 2019 (engineering), you can approximately get a rank of 11,950 ( on the basis of previous year's marks vs ranks observations). The colleges that you can get will vary on your sectional marks too. 

Your rank will be approx 24000-26000.

check the expected rank you can use below rank predictor

https://www.google.com/amp/s/engineering.careers360.com/articles/comedk-uget-rank-predictor/amp

You can also check the expected colleges from given below link

https://engineering.careers360.com/comedk-college-predictor