Hai

The advantage of  M.Tech over B.Tech is

To get additional qualification , as well as to develop our knowledge in a particular domain in the field of engineering.

M.Tech is just like half research oriented course, it motivates to get deep insight of the course.

For more details about list of entrance exam for M.Tech, check out this link :


https://engineering.careers360.com/articles/what-after-btech-go-for-mtech-degree

Hope it's useful for you