France

You can apply for a student visa after you have been accepted or admitted by a university of the college. Decide what you want to study and check for admission requirements, prepare and apply accordingly.

I don't think there could be any best country for an internship. It would be like fetching a job. Have you contacted any firm where you plan for an internship? Whether they will pay your or not will depend on the firm itself. They will not pay you a huge stipend if they do pay. Living expenses must be borne by you. Both France and Sweden are good for engineering, so you can check either of them.

You can consider Oxford University – England because you will be able to get Dr. Manmohan Singh scholarship for Ph.D.

Hi,
Agree with Dr. Navarun Varma, you need to take up IELTS. After that, you need to apply to universities in Europe which offer architecture course, if luck prevails then you may even get a scholarship based on your performance in entrance exams by universities. Go through the university websites for more detailed information.

First of all, you need to learn French language and then need to appear for GRE, TOEFL or IELTS.

Hi,
For Germany, the best way is to go through their official website as shared here:
https://www.daad.de/deutschland/studienangebote/international-programs/en/?p=d&s=kr&id=3882

Canada is the preferred choice and has some good MBA programs, but entry can be very competitive. Usually, you need 4 years Bachelors degree and minimum 2 to 3 years of relevant work experience and a minimum GMAT score of 550 to 650.
The job prospects are also good as after completing 2 years MBA, you will be eligible for a 3 years open work permit in Canada.

Kindly check this link:
http://rankings.ft.com/businessschoolrankings/european-business-school-rankings-2015

Of course, Germany.
Germany has 0 tuition fees which means, you have to only pay for your living expenses. But, in case of France, you have to pay for tuition fees with your living expenses. If we talk from education point of view, German university is good in compare to France. So, I suggest you to choose Germany. but for Germany, you need good academic record as compare to French.