The choice depends on what matters the most to you.
If placements, faculty and research opportunities are your top most priority, choose IIIT Delhi CSE. In this respect, IIITD CSE beats DTU Mechanical by a large margin. But if you want the best of campus, college environment, cultural fests and brand name, DTU Mechanical is a much better choice.
I would personally recommend IIIT Delhi, as it offers top notch placements. But if you’re truly passionate about Mechanical, choose that branch. Do not take your interest for granted while choosing your branch/degree.
IIIT Delhi CSE is a better option compared to DTU Mechanical. It is a great option for pursuing a CSE degree. The institute has a great faculty pool. It also offers good placement opportunities. According to the 2021 placement highlights, IIIT Delhi CSE average package is INR 16.81 LPA. IIIT Delhi also has an active research culture.
DTU offers a better brand value, campus life, but as a branch, CSE is better than Mechanical.
Keeping the interest of students in mind, CSE at IIIT Delhi is definitely a better choice than a Mechanical Engineering degree at DTU. Considering the investments in time, money, and skills, the overall outcome of both the courses is considered in the points listed below.
Considering all the above factors, CSE at IIIT Delhi is, without doubt, a much better choice among the two.