You’ll receive ample placement opportunities at BIT Mesra, given that you understand electronics well. You may consider joining Robolution, which will give you an edge over the others. Qualcomm visits the ECE department with good offers. A few years back, it appointed 4-5 ECE students for a package of 15 LPA. If you are willing to put in the extra effort and learn coding, you may get into good IT companies. Some of them being- Microsoft, Amazon and IBM.
Academically, the ECE department of BIT Mesra isn’t the most ideal choice. This is because the department faculty is strict, and the curriculum is tough. If you couldn’t get CSE at BIT Mesra, you can try for IT instead of ECE. The ECE branch requires a lot of effort and time, which can be overwhelming.