M.S

Visit university websites and decide the country of your choice first. For admissions into Ph.D you must check the department website and write to them for research availability, admission calls, funding and scholarship options etc. Develop research questions and prepare a research topic, you must share your ideas with the universities to be accepted. They will offer you a place if they like what you wrote. You must also check for additional requirements such as GRE, TOEFL and so on.

You advised to evaluate studying in German universities for MS. Education in Germany is very cheap. You can also work 4 hours per day while on student visa to earn enough for your living expenses. Admission in German universities is based on academic performance, therefore, you are advised to study well to obtain a high score in graduation studies.

Ruprecht-Karls-Universitt Heidelberg, Technische Universitt Mnchenand Ludwig Maximilian University of Munich, TU Berlin, Braunschweig University of Technology are Germany's top ranked universities for aeronautical engineering.

You can opt for CPA or CFA course after completing MBA in finance and marketing. There is no need of doing MS in finance if you have done MBA from a reputed college or university.

You need to get admission in a university, not college. Check out the link mentioned below:
https://www.daad.de/deutschland/studienangebote/international-programs/en/?p=l&q=mechanical°ree[]=2&fos=0&fee[]=0&sortBy=1&page=1&display=list

There is no such difference between MS and M.Tech, most of the Indian universities provide M.Tech degree while foreign universities provide MS degree, so forget about MS and M.Tech, try to choose a good institute in India or abroad.

USA has most advanced aerospace engineering industry in world. It employs a large number of Indian and Indian origin professionals. You will be able to get job easily after MS and work for maximum 29 month under industrial training visa program. In the meantime, you can apply for H1 visa to continue working in USA.

BMS is good compared to Pes south campus next comes ms ramiah then PESIT , so choose according to this ranking. All the best . If this answer is satisfied please follow me in Shiksha app .

Yes you can as per the admission criteria your CGPA is bit less but you cracked GRE, so no problem, go ahead and apply for admission. Try for the University of Windsor, University of Saskatchewan, University of Waterloo and Memorial University of Newfoundland..