fill watever u r interested in, in the decreasing order of preference..i.e...branch + campus. For example ur 1st pref is cse @ pilani, 2) cse @ goa, 3) cse @ hyd and so on. Then iff only cse is available at any of this campuses, u'll be offered cse dere. However @ 257, u can hope cse only @ hyd.