Dear Student ,

Your preparation will not be depend on any institutes but only on your cleared concepts . DTU or IIIT Delhi.. both institutes will teach you the whole syllabus by every semesters , if you were asking about placement recruitments.. then this comparison may exist .. but you have to study hard and clear your concepts by solving doubts , exercise and revisions ..

Some  private coaching institutes may help you to rank better in your GATE or ESE exams .. but , you need to prepare your strategy for preparation of GATE and ESE exams .. as these exams includes some beyond syllabus subjects that you need to be study during your preparation.

Well, for your reference .. go through this two articles , these will help you to prepare for these two exams  :

https://engineering.careers360.com/articles/how-prepare-for-gate-without-coaching

https://competition.careers360.com/articles/ese-preparation-tips

Hope this helps !

Best wishes !!