Engineer

Hi mate,
Yes, you are eligible for B.Tech. You can take admission in any of the college which provide lateral entry in civil engineering which will be of 3 years. In a private university, you may get direct admission on the basis of your Diploma score but you need to appear for test if you're applying in government university. I hope I've made myself clear.

Yes, I think you will get a job in Delhi and if you have done some work, then you will get a job otherwise, your salary will not too much. It depend on you. How fast you work and how fast you can increase your salary by taking experience.

Hi Chinmay,
Yes, you can get a job in automobile field if you study mechanical engineering as it is like a sub-branch of mechanical.
But to get into that field, you may opt for a specialization in your PG such as M.Tech in automobile engineering.

Here is the list of important entrance exams of engineering:
https://www.shiksha.com/engineering/exams-st-2

You can choose electrical engineering or electronics and communication engineering or mechatronics engineering.

First, decide what business you want to start and second is your experience in the same field in what you want to start business. If not, then first gain around 2 to 3 years' experience in the field. Secondly, do you have enough fund? If not, calculate and do budgeting for marketing and man power as well as product and see you have fund for at least 2 years. Do market analysis and see acceptability and competition for your products and then enter.

Apply for a company in gulf, and if you will have enough work experience they will select you.