Engineering

https://www.shiksha.com/b-tech/resources/ap-eamcet-college-predictor
Please go to the college predictor link that I am sharing here to know about this.
Good luck.

Yes, of course, you can do this. You are eligible for the same. Please apply for admission in any good college. You can use you work experience in your college life. You can join B.Tech.
Good luck

https://www.shiksha.com/b-tech/resources/ts-eamcet-college-predictor
Please go to the college predictor link that I am sharing here to know about this.
Good luck.

https://www.shiksha.com/b-tech/resources/comedk-college-predictor
Please go to the college predictor link that I am sharing here to know about this.
Good luck.

I have divided this entire post into 11 different parts:
Time management
Follow a schedule / Prepare a plan
Know the syllabus and the exam pattern well, weightage
Coaching Classes Online or Offline? Self-study. Study
concepts, solve problems, look at solutions
Solve previous years papers
Take timed practic

Yes, you will be eligible for Masters abroad with a degree in engineering but you won't be eligible with a diploma.

Yes, you can apply and you'll get lateral entry direct admission in second year.