B.Tech

If you want to join a good college, there is no possibility that you can get a direct admission, you have to appear for an entrance test for the same. You can only get admission on the management seat.

Please refer the link below for details:
https://www.shiksha.com/b-tech/ranking/top-engineering-colleges-in-india/44-2-0-0-0

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

You do not have technical or IT background, therefore, you may find it difficult to do AI courses. It is suggested that you do free AI courses available on web to check your readiness to take paid courses. You may look at following course: https://www.edx.org/course/artificial-intelligence-ai-colum

Go through this link. You might get an idea.
https://www.google.co.in/url?sa=t&source=web&rct=j&url=http://m.htcampus.com/college-search/part-time-b-e-or-b-tech-in-electrical-engineering/pune/&ved=0ahUKEwiG0-jA0djVAhUIrI8KHXIhDd4QFgieATAG&usg=AFQjCNFU2dfg8wQKVePZzOpWFB2hImIDAQ

There are multiple functional specializations in MBA such as Finance, Marketing, Human Resources, IT, SCM, Logistics, Operations, Systems, General Management or sector specific specializations like Travel & Transportation, Telecommunications, Healthcare, Banking, Insurance, etc. One must chose