Any country with a greater rate of an economy and technological growth would be a sensible choice as you’ll have amazing possibilities to work with heavily funded or mid-stage start-ups as they deal with massive data.
When it comes to job prospectus, India or the USA or Canada would be a wise choice but when it comes to research opportunities cum job availability, the USA or Canada would be the best.
If you want a detailed explanation of Data Science then do check out Intellipaat’s blog which will help you in understanding DS.
You can get a hands-on project by referring to the following Data Scientist by Intellipaat which will teach you Data Science from scratch to advance.
And if you are more into videos then do check out the following video tutorial which will help you in mastering in the field of Data Science: