Hey,

If you want to go in the managerial role then you can go for MBA. If you are interested to pursue in your stream you can opt for M.TECH. either from IITs or from Abroad.

Here you can find the list of top MBA Colleges abroad:
https://www.topuniversities.com/university-rankings-articles/university-subject-rankings/new-ranking-world’s-top-business-schools

Also, you may refer to top colleges for M.Tech. abroad:
https://studyabroad.shiksha.com/6-best-countries-to-study-ms-in-mechanical-engineering-abroad-articlepage-1096

Hope it helps!

in mechanical , learn practical course like engine manufacturing , gear logic in cc etc in germany