M.Tech

You can pursue M.Tech in ME or Automation or IT.

Almost all NIT and IIT offer part time M.Tech but you have to attend the evening classes. That means you must choose the IIT or NIT near to your home town so that you can attend the classes.

Presently biotechnology, cyber security and cyber forensic is trending in requirement and you will be able to gain latest technical knowledge on these subjects in the US. You can try for these subjects.

Hi,
In terms of requirement of engineers - industry requires them in two levels. In junior level, they recruit Diploma engineer and B.Tech/ BE for senior levels. As you are in the mind set of job, your B.Tech degree is strong enough to fetch you a job in equivalent level.

It is not something one can answer for you. It's something you need to discover for yourself. Rule of thumb: If you want to stick with the technical line then M.Tech. If you are more interested in management then MBA. Refer to this TOI article to make a more informed decision:
http://timesofindia.in

You must keep your basic concepts clear of computer science subjects. You can go through previous years question papers to get a feel of toughness and difficulty of GATE.
Manipal entrance examination is an easy exam to crack, if you are through with subject knowledge and good in applying them. You ca

Nowadays, most of the universities allow B.Tech only for M.Tech.

You can do courses in website development along with database skills and java programming. This course will help you in getting a good job.