Hey there,
So overall you have a fairly impressive profile. Here are a few pointers about the same -
You come from a nationally renowned university, so that will add on to your application and you international experience is a add-on to your profile.
You have a comparatively average university GPA ; but you can compensate for it by highlighting your other profile strengths. Essay are a great way for doing this, so make sure that you spend enough time perfecting them.
As far as your work experience is concerned, your internship experience are valuable assets to your application.
However, the schools are interested in impact rather than just participation.
So make sure that you exemplify your learnings and your interest in marketing through your Work experience.
As you come from a engineering background and have done your internships in the technical field.I would suggest you to take up at least one quality internship in the business field.
As for your target schools, ESSEC, HEC, ESCP are very competitive make sure you ace every part of the application (essays, GMAT, LOR, resume) to get noticed.
With a good GMAT score of 700+, you have a good shot at the top B-Schools like included your targeted one.
I would suggest you to take this profile evaluation to get a better idea about your chances at your target schools:
https://mim-essay.com/profile-evaluation?gcf _________________
Abhyank Srinet
Founder & CEO
(MiM-Essay)