GATE

You have to go for Gate examination as it is basic criteria for doing M.Tech in engineering college. This criteria is applicable for SVNIT also. So, all the best for future.

Career Avenue is one of the premiere GATE coaching institute in India. The faculty members are mostly IITians and highly experienced in the specific field. So if you are looking for GATE coaching, then it will be a good option and you should put its name on top references. All the best.

It is useful for getting admission into M.Tech for various colleges, and also useful to government jobs.

Hello Sandeep,
It's very nice to see your enthusiasm and dream of doing Ph.D. You have already won half the battle. For Ph.D, many universities have introduced an exam to accept only suitable candidates. Hence, you need to appear and pass this exam. In addition, it's always best to do research in the same University from where you did your PG. You should begin by searching the guides available and approaching them to accept you as student. You also should have some probable topics for research. That's it. Best wishes.

Hello dear,
The cut-off for the mechanical branch in M.Tech for general category is 34.7.
For OBC, it is 31.2.
For SC/ST/PH, it is 23.1.

There is an exam called as VITMEE, which you can give irrespective of whether you have appeared for GATE. The forms are out already on vit.ac.in

As per me, you should go for GATE because there is a lot of scope if you crack this examination. Only some students attempt this examination as the difficulty level is high when compared with the level of GRE.
Best of luck for your future.