Indore

To transfer your college you need to consult college (at which you want to seek admission) and ask them about the availability of seat in the preferred branch if they give green signal then you need to take out a NOC from your college ( Where you are studying right now) and then you can change your college. If your recent college does not provide you the NOC then you won't be able to do so.

It will be a difficult to get admission in DAVV. But don't let the hope go. Try to apply for other campuses based on your rank. Also use the below link to know more about which campus you can shortlist according to your rank:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=4479470.

No, he can not get NIT, Indore. If either he will get it then he has to take lower branches.
You can check cutoff rank of NIT Indore of last year.

No, for pursuing Masters degree, you have to complete you Bachelor's first.

Hi, I think, Amity University and Alliance University provide B.A. Course with foreign exchange programme in India.
Regards.

If your only aim is to do engineering and you are passionate about it, you prepare yourself for a year, take coaching from well recognised coaching centers, purchase online materials and prepare yourself for next year JEE.

Christ University-Bangalore, Symbiosis University-Pune, and Mount Carmel College-Bangalore are the best colleges for BBA according to India Today and Nielsen Company survey.