Hi Tanishq!

Congrats for the good score in JEE exam.

Yes you can get mechanical branch in DTU under All India quota based on the score you got in JEE exam. The cutoff for mechanical at DTU varies for different categories and you have to go through JAC Delhi counselling. You can get more details about it on the following:-
https://engineering.careers360.com/jee-main-college-predictor?exam_id=2&counselling_id=524&ici=cahometool_lp&icn=jacdelhicollegepredictor-clgpd-trial

All the best!