B.Com

If you want to make your passion as profession then go with B.Tech or you want to do account job go with B.Com.

Depend on university
IGNOU usually conducted exam in June and results within few months.

SEE it is a clear case of migration
Most of the university do not allow it. Please go through the university admission process and check if they allow. Then only take TC from Gujarat. But as per my knowledge college transfer is easy but university transfer is difficult.

It depends on the university usually conducted in June
Do join any college WhatsApp group it is helpful to get updates.

Any student is ineligible to change their course from B.Com to any other course directly after first year of college. Having completed your first year in B.Com you can only pursue the second year of B.Com in your college or in a different college, through lateral entry facilities. But if you in beginning of first year, you can pass a Statement in the admission section for more details.

If you are first year of the college. You can change your course by applying a statement in admission section in Pune University. If they not accept your application. You can't change the subject.

If you want to join in UniPune, you have to write MHT CET entrance exam. According to MHT CET entrance exam the cutoff mark for joining B.com is 96.88 percentile for general category.