Engineer

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.

Hello Biju,
If you want to work on the airside of the airport then you need a licence from DGCA. However, if it's non-airside job then one does not need DGCA licence. There are plenty of jobs for both mechanical & aeronautical engineer in airside as well as on non-airside areas.