It goes without saying, the idea of pursuing a degree in M.Tech in Information Security, that too, from an institute like IIITM Gwalior is a big deal. As it is very decent and you will not regret this decision. All the domains that concern the securityaspect would be covered under their curriculum. Some of my friends are from IIITM Gwalior, and here are some facts about the institution.
Once you reach there the kind of environment you would be exposed to would be wholesome. As far as academics are concerned there will be no complaints about it.