Bachelor of Technology [B.Tech] (Engineering Physics) From IIT Delhi, New Delhi

I will restrict my answer to Engineering Physics and Chemicals only as I know the same only. 

• The major criterion followed at IIT Delhi by all the branches is a well-maintained CG. To secure good placements one has to constantly score a good CG throughout the program.
• During your admission, the department does not play any role but your 85 percent constraint on minimum possible strength does.
• Engineering Physics is a unique branch for those highly passionate about Physics and want to pursue higher studies in the same
• To secure core jobs, one has to move to MTech in Engineering Physics from BTech in Engineering Physics.
• For Chemical Engineering students, BTech is more than enough to secure decent packages and great research opportunities outside India.
• Consultancy and Analytics jobs are offered equally to students of all the departments 
• Engineering Physics graduates usually take up consultancy or IT jobs 
• Chemical Engineering is the most laid-back department of IIT Delhi with very flexible academics thus making it easy to maintain a decent CG throughout. 

I wouldn’t suggest anyone go for Engineering Physics if they have no intention of pursuing it later. Instead, look for other options in BTech and explore your interests.

The choice of college and branch totally depends on your inclination and career prospects. Yet, a few pointers you might consider 

For MBA/ non-core jobs/Startups: IIT Delhi Textile is the best choice if you are looking for any 3 of these options. Its excellent location provides enough exposure to give you access to unimaginable opportunities. Many events hosted by industry experts, CEOs of big companies, and successful entrepreneurs will give a better insight into the startup culture. Moreover, students preparing for competing exams can easily access coaching centers nearby.

Research in Biotechnology: If you are interested in research in general or Biotechnology specifically, then the Biotechnology at KGP is an excellent choice. It is one of the most demanding fields in terms of research and general growth. With a good CGPA, you can find a research internship or you can apply for MS or Ph.D. Even job opportunities are plentiful. 

Campus: IIT Delhi is better because of its small size and location

Lastly, Engineering Physics from IIT Guwahati should be considered only if you are genuinely passionate about Physics and want to pursue a research career in the same. The curriculum comprises high-tech mathematical concepts and is a good option to pursue a career in economics and computer science.

I will recommend you opt for Engineering Physics only if

• You have a great interest in physics and want to conduct research or pursue higher studies in it like a Master, Ph.D., and Postdoc
• Do you want an IIT tag to target different things like UPSC, Banking, etc

A few points one needs to know regarding Engineering Physics

• No job opportunities for UG students in the core Physics Department of top Indian government research organizations.
• Companies like DRDO, ISRO, and BARC offer core jobs to MTech students only
• The usual trend is to opt for Engineering Physics and then go for Masters and Ph.D.
• Students of the Engineering physics department can opt for a minor degree from another department like CS by attaining a certain limit of credits. Nevertheless, he will be considered a physics graduate and not CS.

IIT Ropar despite being a new IIT offers decent opportunities in terms of higher studies as well as job opportunities. He can work with top research organizations like ISRO and BARC or even work at reputed firms.

Concludingly, IIT Delhi is a good choice if your primary interest is physics and higher studies. If you are looking for a high-paying CA-related job, then IIT Ropar is for you.

I can attest to the fact that Engineering Physics at IIT Delhi and IIT Madras is the perfect blend of Physics and Electrical Engineering one could ask for.

You can opt for both physics as well as electrical courses as your electives. Your final year project can be in any one of these departments and you are free to choose provided that there is a good balance between science, mathematics, and engineering.

Most students of Electrical Physics eventually go for Electrical as you design your course instead of getting stuck on a mandatory curriculum.

At IIT Delhi, there is more focus on Physics than Electrical and for those interested in the same, this course is bliss.