India

Follow the link below for detailed description:
For India: https://www.payscale.com/research/IN/Job=Mechanical_Engineer/Salary
For Abroad: https://www.workabroad.ph/salary_guide_ofws.php?position=engineer.

Hi Dharmesh!
The selection procedure varies from college to college. Most college will consider your marks in Graduation, I.e, the selection will be merit based. Some colleges have also started taking an entrance test of 200 marks. The exam will be divided into 5 units: Economics, Accounting, Business Standard and Mathematics, Business organisation and Management and General Knowledge and Current Affairs. You can refer to college's website that you are interested to take admission in and know their own criteria.

Hi,
Yes, you can do so. Just make sure you have enough percentage to qualify. The application process is online but for more information you have to provide details like where you want to study and so on. The eligibility criteria differs and you have to prepare likewise. You have to take exams like SAT TOEFL, arrange for money, write SOP, get the recommendation letters from your teachers, etc.

Yes, you are eligible.
Any person from any state holding a valid Diploma is eligible.

Hello,
Please visit the link provided for detailed information about college providing best B.Tech course in Telangana:
https://www.shiksha.com/b-tech/ranking/top-engineering-colleges-in-Telangana/44-2-413-0-0.

APSET is eligibility test for Andhra Pradesh. If you belong to the state, go ahead.