Computers & IT (Non-Engg)

College change or university change after first year is completely dependent on college and university norms. Some universities allow it and some don't. Plus, you need to have good scores in first year to apply for the same. For further details, contact the college authority.

PGDCA can be done only after graduation. Complete your graduation in computers first and then opt for PGDCA.

Mention some course names for better assistance as they are lot of computer courses.

Students even after B.Tech and MCA are struggling nowadays to get a good job. I would recommend you to go for graduation at least and then look for jobs.

Refer the article below for details:
https://www.shiksha.com/careers/ethical-hacker-221

Please mention the entrance examination name or the college/university name for better assistance.

Western countries like US, UK, Australia and so on. Please don't here the rumours that there are attacks on Indians in these countries. As long as you respect their country and culture, you have no problems.