Hey Keerthi!

You question seems a bit vague. You haven't mentioned the name of the University or College hostel mess. If you are referring to any particular hostel mess of a college or university, you may look up for it on the website or portal of that particular institution. All the rules and regulations regarding carrying of iron box will be mentioned there. Whether the mess food is good or not may be dependent on a student's choice as everyone happen to have different preferences, choices and likings and you also haven't mentioned the name of the college or university hostel mess. You may write the question providing the detail regarding the name of the college and post it again or write in the comment section so that your query regarding iron box can be answered.