Diploma

Hi, bank loans are generally not available for Diploma courses.

There are CAP rounds held by DTE Maharashtra for Diploma students. They are called DSE candidates. There are CAP rounds. According to your percentage and rankings and in order to which you have given college and branch preferences you get a college. You can also get admission to Dhole Patil Directly

B.Ed is a degree that you can do only after a graduation or equivalent course. It is done in the same stream you did your Bachelor's degree.

Sure, you can get some of the top colleges through LEET.

I would recommend you to repeat the year with more dedication and hard work as it's your second year and leaving the course will completely be a bad option as your 2-years will be wasted. Has it been the first year, you still can think of joining another course.

You can go for Diploma in elementary education. The eligibility is 10+2 passed in any stream.

Surely, you can join B.Sc after Diploma in mechanical engineering.

Yes, you are eligible for aeronautical engineering after your diploma in electrical engineering. You may take admission for lateral entry directly in the second year. Some of the universities offer such courses on lateral entry basis.

Diploma holders are also eligible for the JEE Exam, so you can appear for JEE Main and JEE advance to get into IIT but you must fulfill the eligibility criteria for JEE.

Most of the Polytechnic institutes take admission on the basis of the 10th percentage. Very few conducts entrance, ensure that your 10th score is good to get a good college