The B.Tech ECE branch at NIT Jamshedpur receives really good placements.
You can apply for core, software and analytics firms, based on interest, as all of them visit the department for recruitments. Core companies like L&T, Siemens, Commscope, etc. visit for recruitments. From the IT domain, companies like Amazon, Oracle, UHG etc. visit the department with job offers.
From the Analytics domain, this list includes ZS, MU Sigma, EXL, etc. The department students are placed in each of these domains in a good number, each year. Last year, the placement percentage for B.Tech ECE was 100%. The highest package for this branch was 83.4 LPA, and the average package was 22.03 LPA.
Thus, the ECE placements at NIT Jamshedpur are quite good.
What your preference is and what interests you, these two are very important at making the right choice.
If any of the two branches is of your preference and interest, then you should go for it.
If you have no such preferences and interests and you are only looking at the job prospects after graduating, then I would suggest you consider the following things:
All these are relevant factors to keep in mind before making a choice. Now, the choice is yours.