Electronics Engineering

Yes you can definitely apply for electrical jobs

This decade belongs to electronics and it would be great if you pursue engineering in ECE because that will help you to gain expertise in electronics. You can opt for lateral entry in desired engineering college

Hey,check out the link :
https://www.shiksha.com/engineering/electronics-communication-engineering-chp

It's approx 400.

You should take admission and study hard in college to get good CGPA so that your branch can change. Don't waste your time in repeating JEE.

B.Sc might make you eligible for the post of a technical assistant or a technician. You may continue yourself to higher education to enhance job prospects.

USA is best location for Engineering and Management education. USA is hub of Technology invention and innovation, therefore, MS in USA will add lot of value to your technical career. If I have a choice I will always recommend MS over MBA in USA. You may evaluate doing MBA in USA after few years of experience.

As ECE engineer you can be employed in any industry as Operations & Maintenance engineer. In addition, you can work in Electronics manufacturing companies, Telecom service providers, Indian Engineering Services, Central and State Government jobs where eligibility criteria is graduation degree, Defence Services, Paramilitary forces, R& D organisations such as DRDO/ ISRO etc, IT companies, PSUs, Org such as NIC/CDAC/NISG etc, Networking engineer jobs and acedmics etc. ECE engineers can work in design of new system. It us one of the field where there are maximum opportunities for innovation.

Power System Engineering is a better option for job in comparison to Power Electronics specialisation in M.Tech EEE.