I'm pursuing BE in CS stream. How will I get scholarship in abroad if I want to pursue MBA?

You can also look at options, wherein the colleges in india have tied up with universities abroad to offer the MBA at a reduced cost, by studying the first year in india and the second year abroad. You may not need scholarship in such instance

Here is all the information that you want regarding availability of scholarship for study abroad aspirants. https://studyabroad.shiksha.com/types-of-scholarships-available-for-study-abroad-aspirants-articlepage-566