Hello Krisha,
First of all it is very important to find about the aspects in which the foreign destination will be the most helpful to us. You need to map out a few countries who offer MBBS education. You also need to approximate the amount that will be spent on the stay there and most importantly you need to check if the job opportunities in the that country are satisfactory to you. This process of selecting a college/country to study in may take time but it is essential that you are 100% sure of the university.
You can check out this link for your help:-
http://www.admission.zone/blog/mbbs-abroad-indian-students-low-cost/
Feel free to check other sites and grab as much as knowledge you can from the internet.
I hope this helped.
All the best.
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