Andhra Pradesh

Narayana Medical College, Nellore
2) Government Med Guntur ical College
3)Sri Venkateswara Medical College, Tirupati
4)P E S Institute Of Medical Sciences and Research, Kuppam
5)Kurnool Medical College
6)Katuri Medical College
7)Maharaja Institute of Medical Sciences, Vizianagaram and many more.

You need to secure around 500 rank (general category) to get admission in a good medical college in Andhra Pradesh.

Follow the official link below:
http://www.apeamcet.org/pdfs/INSTRUCTION BOOKLET_Engg.pdf

You should try to get admission in any of the top B-schools to pursue MBA.
I am not demeaning KL University, but I would say that it is not a good choice. KL University has a low brand value.
You should aim for the following colleges:
- IIMs
- Xavier Institute of Management, Bhubaneswar
- S.P Jain Institute of Management & Research, Mumbai
- UPES, Dehradun
- ICFAI University, Mumbai

Check out the link mentioned below:
https://hospitality.shiksha.com/mba-hotel-management-colleges-in-andhra-pradesh-categorypage-6-84-281-0-0-1-100-2-0-none-1-0
Amity University is highly recommended.

Yes, it is possible. There are many good universities which are providing distance courses for B.Tech. You can apply in any one of these and study in there study centers which are in your city.

Follow link below for details :
https://www.shiksha.com/mba/colleges/certifications-in-six-sigma-certifications-colleges-in-visakhapatnam